# How to Subtract a Percentage from a Number in Excel: A Simple Guide

Subtracting a percentage from a number in Excel is simpler than you might think. All you need to do is use basic formulas to handle the calculations for you. By entering the right formula, you can quickly subtract a percentage from any number without breaking a sweat.

## How to Subtract a Percentage from a Number in Excel

In this section, we’ll walk through the process of subtracting a percentage from a number in Excel. The steps are straightforward and will help you understand how to automate this task using formulas.

### Step 1: Open Excel

Open your Excel application and navigate to a blank worksheet.

This is where you’ll do your calculations. Having a blank worksheet ensures there’s no confusion with existing data.

### Step 2: Enter Your Number

In cell A1, type the number from which you want to subtract a percentage.

This number will be the base value for your calculations. For example, if you want to subtract 20% from 100, enter ‘100’ in cell A1.

### Step 3: Enter the Percentage

In cell B1, type the percentage you wish to subtract, but in decimal form.

For example, if you want to subtract 20%, you should enter it as ‘0.20’. This is crucial because Excel understands percentages better in decimal format.

### Step 4: Use the Formula

In cell C1, type the formula `=A1-(A1*B1)` and press Enter.

This formula tells Excel to subtract the product of the number and the percentage from the original number. After hitting Enter, cell C1 will display the result.

### Step 5: Verify Your Result

Check cell C1 to ensure the result is correct.

For instance, if you subtracted 20% from 100, you should see ‘80’ in cell C1. Make sure the result matches your expectations.

After completing these steps, you’ll see that Excel has done the math for you. The number in cell C1 will be the original number minus the specified percentage. This method is quick and efficient, perfect for handling multiple calculations simultaneously.

## Tips for Subtracting a Percentage from a Number in Excel

• Use Cell References: Always use cell references in formulas to make your spreadsheet dynamic and easy to update.
• Format Cells Properly: Ensure your percentage in cell B1 is formatted correctly as a decimal.
• Double-Check Formulas: Even simple formulas can have errors. Double-check to avoid mistakes.
• Copy Formulas: If you have multiple numbers to which you need to apply the same percentage, copy the formula to other cells.
• Use the AutoFill Feature: Drag the small square at the corner of the cell to apply the same formula to adjacent cells.

### Can I subtract a percentage from multiple numbers at once?

Yes, you can drag the formula down to apply it to multiple rows.

### What if I need to subtract different percentages from different numbers?

Input the specific percentages in separate cells and adjust the formula accordingly.

### Can I use this method for other calculations?

Absolutely! The same principle applies to adding percentages, multiplying, and dividing.

### Is there a shortcut for converting percentages to decimals?

Yes, just divide the percentage by 100 (e.g., 20% becomes 0.20).

### What does the ‘\$’ symbol mean when used in Excel formulas?

It locks a cell reference so it doesn’t change when you copy the formula to another cell.

## Summary

1. Open Excel
3. Enter the Percentage
4. Use the Formula