Percentage Calculator

Calculate percentage increases, decreases, fractions, and percentage of numbers effortlessly.

Percentage of a Number
Result: 20.00
Percentage Change
Change: 50.00%
Fraction to Percentage
Result: 25.00%
Increase / Decrease by %
Result: 120.00

Quick Examples

10% of 200 25% of 80 50 → 75 (increase) 100 → 60 (decrease) 3/4 as % 2/5 as % 100 + 20% 200 - 15%

About Percentage Calculator

This Percentage Calculator helps you quickly calculate percentage of numbers, percentage changes, fraction to percentage conversions, and increase/decrease by percentage. Perfect for students, teachers, professionals, and anyone who needs to work with percentages.

Features

Percentage Formulas

Percentage of a Number
(Percentage × Number) ÷ 100
Percentage Change
((New - Old) ÷ Old) × 100
Fraction to Percentage
(Numerator ÷ Denominator) × 100
Increase/Decrease by %
Number × (1 ± Percentage/100)

Your data never leaves your browser. All calculations are done locally for maximum privacy.

Copied!