Percentage Calculator

Calculate percentages, percentage change, and more with 5 modes

What is%

Result

Formula: X% \u00D7 Y = Result

Value

is what % of

Result

Formula: (X / Y) \u00D7 100 = %

From Value

To Value

Result

Formula: ((New - Old) / Old) \u00D7 100 = % Change

Original Value

% to Add%

New Value

Formula: X \u00D7 (1 + P/100) = Result

Original Value

% to Subtract%

New Value

Formula: X \u00D7 (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, no ads, no tracking. 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.