How do I calculate what percentage a number is of another number?

Divide the smaller part by the total whole and multiply the result by 100.

Can I calculate percentage increase and decrease?

Yes, select the Percentage Difference tab to compute percent growth or drop between two numbers.

Education Tools

Math

Updated FY 81/82

Quickly compute percentage increases, decreases, relative ratios, markups, and discount values.

Calculation Mode

Percentage (A%)*

Total Amount (B)*

Calculated Value75

15% of 500 is 75

Percentage Calculator EngineActive

Grade A+ (Distinction)

A versatile online tool to compute basic percentages, percentage increases, percentage decreases, and ratio percentage comparisons.

Enter your initial value and target value or percentage rate. The engine immediately computes percentage ratios, fractional values, and net variance.

Percentage = (Obtained Value / Total Value) x 100
Percentage Change = ((New Value - Old Value) / Old Value) x 100

Scoring 425 marks out of 500 total marks yields (425 / 500) x 100 = 85.00%.

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