Math Calculators

Percentage Decrease Calculator

Find the new value after decreasing a starting number by a given percentage.

New value —

Amount removed —

About the Percentage Decrease Calculator

To decrease a number by a percentage, multiply the starting value by the percentage (as a decimal) to find the amount removed, then subtract that from the original value.

Formula: New Value = Starting Value × (1 − Percent ÷ 100)

Useful for calculating discounts, depreciation, weight loss goals and pay cuts.