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How to increase or decrease cell number/value by percentage in Excel?

This article is talking about increasing or decreasing cell number by percentage in Excel as below screenshot shown. Please try the following methods.

Increase or decrease cell number by percentage with formula

Increase or decrease cell number by percentage with Paste Special

Batch increase or decrease cell numbers by percentage with Kutools for Excel

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arrow blue right bubble Increase or decrease cell number by percentage with formula

You can increase cell number by formula =number*(1+percent), or decrease by formula =number*(1-percent).

1. Select a blank cell for placing the result, for increasing cell number by percentage, please enter formula =A2*(1+B2) into the Formula Bar, and then press the Enter key. See screenshot:


1. A2 and B2 are cells containing the certain cell value and percentage in the worksheet. You can change them as you need.

2. For decreasing cell number by percentage, please use this formula =A2*(1-B2).

2. Keep selecting the result cell, then drag the Fill Handle to apply the formula to other cells until getting all results.

arrow blue right bubble Increase or decrease cell number by percentage with Paste Special

Also, you can Increase or decrease cell number by percentage with the Paste Special feature in Excel.

1. Firstly, you need to change the certain percentage to number 1+percentage or 1-percentage. For example, for increasing or decreasing cell number by 20%, please change 20% to 1.2 (1+0.2) or 0.8 (1-0.2), then go ahead to the following steps.

2. Copy the percentage you have changed above with pressing the Ctrl + C keys, select and right-click the cell numbers you will increase or decrease, then select Paste Special > Paste Special. See screenshot:

3. In the Paste Special dialog box, select the Multiply option in the Operation section, and then click the OK button.

Then the cell numbers are increased or decreased by a certain percentage immediately.

arrow blue right bubble Batch increase or decrease cell numbers by percentage with Kutools for Excel

You can use the Operation tools of Kutools for Excel to batch increase or decrease all selected cell numbers by certain percentage in Excel.

Kutools for Excel : with more than 300 handy Excel add-ins, free to try with no limitation in 60 days.

1. Select the cells which you need to increase the numbers by percentage, then click Kutools > More > Operation. See screenshot:

2. In the Operation Tools dialog box, select Multiplication in the Operation box, then enter 1+percentage or 1-percentage into the Operand box, and click the OK button.

Then all selected cell numbers are increased or decreased by given percentage immediately.

Note: You can check one or both of the Create formulas and Skip formula cells boxes as you need.

If you want to have a free trial of this utility, please go to free download the software first, and then go to apply the operation according above steps.

arrow blue right bubbleRelated article:

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