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Subtracting Percentage from a Number

Subtract
% from number

Formula: how to subtract percentage from a number

To subtract a percentage from a number, use the formula:

Number - (Number × Percentage / 100)

This is the universal method of subtracting a percentage from a number. For example, subtracting 20% from the number 500: 500 - (500 × 20 / 100) = 400.

How to calculate percentage: practical examples

  • How to subtract 10% from 1000? 1000 - (1000 × 0.1) = 900.
  • To subtract 15% from 200: 200 - (200 × 0.15) = 170.
  • Subtract 30% from 300: 300 - (300 × 0.3) = 210.

Excel: subtracting percentage from a number

For Excel calculation, use the formula. If the original number is in cell A1, and the percentage to subtract is 15%, enter: =A1*(1-15%). This is the simplest way to subtract percentages from a number in Excel.

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