Percentage Calculator
Calculate percentages, percentage change, and more with 5 modes
% X% of Y
What is
%
of
?
--
Formula: X% × Y = Result
% % of What
is what % of
?
--
Formula: (X ÷ Y) × 100 = %
% % Change
From Value
To Value
--
Formula: ((New − Old) ÷ Old) × 100 = %
% % Increase
% to Add
%
--
Formula: X × (1 + P/100) = Result
% % Decrease
% to Subtract
%
--
Formula: X × (1 − P/100) = Result
About this Calculator
The Percentage Calculator is a free, easy-to-use tool for percent, change, difference. Simply enter your values and get instant, accurate results — no signup required. All calculations run locally in your browser, so your data stays completely private.
Privacy Note: All calculations are performed locally in your browser. No data is ever sent to a server or third party.