Percentage CalculatorFree Percent Calculator for quick and accurate percentage calculations — fast, simple, and easy to use. Calculate Percentage Online Toggle theme Percent of a number What percent is A of B Increase/Decrease % Percentage difference Percentage (A %) Value (B) Calculate Clear Part (A) Whole (B) Calculate Clear Original value Percent (%) Increase by % Decrease by % Clear Value 1 Value 2 Calculate difference Clear