Percentage Calculator

Calculate percentages, percentage increase/decrease, and find what percent one number is of another.

Calculation Types

Percentage of a Number

%

Result

Quick Percentages

10%
One-tenth
20%
One-fifth
25%
One-quarter
50%
One-half
75%
Three-quarters

Percentage Formulas

% of a Number
Result = (Percentage ÷ 100) × Number
Example: 20% of 150 = 30
% Increase
[(New - Original) ÷ Original] × 100
Example: 100→150 = 50% increase
% Decrease
[(Original - New) ÷ Original] × 100
Example: 150→100 = 33.33% decrease

Why Use This Calculator?

Instant Results

Get accurate calculations instantly

Multiple Types

All percentage calculations in one tool

100% Free

No registration required

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