Percentage Calculator
Solve percentage problems instantly — percentage of a number, percent of total, or percent increase/decrease.
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Choose a Calculation
How the Percentage Calculator Works
This tool solves the three most common percentage problems: finding a percentage of a number, finding what percent one number is of another, and finding percent increase or decrease.
Formulas Used
X% of Y = (X ÷ 100) × Y
X is what % of Y = (X ÷ Y) × 100
% Change = [(New − Original) ÷ |Original|] × 100
Example
20% of 150 = 30. Going from 150 to 180 is a 20% increase.
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