HomeFree Online Percentage Calculator Percentage Calculator Percentage CalculatorCalculate different types of percentages with ease. Calculation Type: Select Calculation TypeWhat is X% of Y?X is what % of Y?Increase/Decrease by X% of Y Please select a calculation type. Percentage (X%): Please enter a percentage. Of Value (Y): Please enter a value. X Value: Please enter the X value. Y Value: Please enter the Y value. Percentage Change (X%): Please enter a percentage. Initial Value (Y): Please enter the initial value. Calculate ResetCalculation Result