Excel is powerful spreadsheet program that can perform wide range of calculations, including percentages. Excel’s percentage formula allows you to quickly and easily calculate a percentage of a value or compare two values as a percentage. In this guide, we’ll walk you through how to use percentage formula in Excel, step-by-step.

## Table of Contents

**How to Percentage Formula in Excel**

**Step 1: Understanding the Percentage Formula **

Percentage formula in Excel is simple and straightforward. To calculate percentage, you need to divide one value by another value and then multiply result by 100. Formula looks like this:

Percentage = (Value / Total Value) * 100

- “Value” stands for amount you want to compute percentage for, and “Total Value” stands for the entire amount/sum of which value is a part.

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**Step 2: Formatting the Cells**

Before you begin using percentage formula in Excel, it’s important to format cells that will display results as percentages. To do this, follow these steps:

- Select cell or cells you want to format.

- Right-click on selected cells and choose “Format Cells” from context menu.

- In Format Cells dialog box, select “Percentage” category.

- Choose desired number of decimal places for the percentage, or leave default setting of 2 decimal places.

- Click “OK” to apply the formatting.

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**Step 3: Using the Percentage Formula **

Now that you have basic understanding of the percentage formula and have formatted your cells, you’re ready to use formula in Excel. Follow these steps to calculate percentage using the formula:

- Enter value you want to calculate percentage for in one cell.

- Enter the total value that first value is part of in another cell.

- In third cell, enter percentage formula using the cell references for the value and total value. For example, if your value is in cell A1 and your total value is in cell B1, formula would be:

=(A1/B1)*100

- Press “Enter” to calculate percentage.

- Result should display as percentage in cell you entered formula in.

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**Step 4: Using the Percentage Change Formula **

% change formula in Excel is helpful percentage function. Can use this formula to compare two values and determine percentage difference between them. How to apply percentage change formula is as follows:

- Enter original value in one cell.

- Enter new value in another cell.

- In third cell, enter percentage change formula using the cell references for original and new values. For example, if your original value is in cell A1 and your new value is in cell B1, formula would be:

=((B1-A1)/A1)*100

- Press “Enter” to calculate percentage change.

- Result should display as percentage in cell you entered formula in.

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**Step 5: Using the IF Function with the Percentage Formula**

Excel’s IF function allows you to perform calculations based on specific condition. You can use this function with percentage formula to calculate a percentage only if certain condition is met. Here’s how to use IF function with percentage formula:

- Enter value you want to calculate a percentage for in one cell.

- Enter total value that first value is part of in another cell.

- In third cell, enter IF function using cell references for the value and total value, along with condition you want to test for. For example, let’s say you want to calculate percentage only if total value is greater than 0. In this case, formula would be

=IF(B1>0, (A1/B1)*100, “”)

- In this formula, IF function checks whether total value in cell B1 is greater than 0. If it is, percentage formula is applied to calculate the percentage. If it’s not, formula returns an empty string (“”), indicating that no percentage can be calculated.

- Press “Enter” to calculate percentage.

- Result should display as percentage in cell you entered formula in, but only if condition is met.

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**Step 6: Using the SUM Function with the Percentage Formula **

Excel’s SUM function allows to add up range of cells or values. Can use this function with percentage formula to calculate the percentage of total value that is made up of multiple values. Here’s how to use SUM function with percentage formula:

- Enter values you want to add up in range of cells.

- In another cell, use SUM function to add up values in the range. For example, if values are in cells A1:A5, formula would be:

=SUM(A1:A5)

- Enter value you want to calculate percentage for in another cell.

- n another cell, use percentage formula, but replace total value with SUM function. For example, if your value is in cell A6 and your total value is sum of cells A1:A5, formula would be:

=(A6/SUM(A1:A5))*100

- Press “Enter” calculate percentage.

- Result should display as percentage in cell you entered formula in.

**Conclusion **

In this post, we’ve showed you how to use % formula in Excel to compute percentages, compare values as percentages, compute percentage changes, use IF function with percentage formula, and use SUM function with percentage formula. Can make percentage calculations in Excel fast and simply by following these instructions, which will save time and effort.