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Percentage Calculator

Use our percentage calculator online free to calculate percentage increase, decrease, difference, marks, grades, and discounts instantly. Fast, accurate, and mobile-friendly tool.

310K uses this month Rating 4.9★ Updated May 2026
% of Number
What % is X of Y
% Change
% Increase
% Decrease
What is X% of Y?
Formula: Result = (X ÷ 100) × Y
%
of
=
Quick %: 5% 10% 15% 20% 25% 50% 75%
📊 Percentage Reference Table Common % values at a glance
% Fraction of 100 of 200 of 500 of 1000

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