Percentage Calculator

Percentage Calculator

Calculate percentages, percentage changes, increases, and decreases quickly with this free online percentage calculator.

What is X% of Y?

Percentage Change

What Percentage Is One Number of Another?

How to Calculate a Percentage

A percentage represents a number as a fraction of 100. To calculate a percentage of a number, multiply the number by the percentage and divide by 100.

Example:

20% of 500 = (20 × 500) ÷ 100 = 100

Percentage Change Formula

Percentage change can be calculated using:

Percentage Change = ((New Value − Original Value) ÷ Original Value) × 100

Common Uses of Percentages

  • Calculating discounts
  • Understanding price increases
  • Comparing values
  • Calculating exam scores
  • Understanding business growth
  • Calculating financial percentages
  • Working with statistics

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