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Percentage Calculator

Easily calculate percentages, such as finding X% of Y or figuring out what % X is of Y.

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How to use the Percentage Calculator

Enter numbers into either of the formula rows. The answers calculate in real-time as you type.

?Frequently Asked Questions

What is the Percentage Calculator?

The Percentage Calculator solves three common formulas in real-time: X% of Y, what percentage X is of Y, and percentage change between two values.

Who is the Percentage Calculator for?

Useful for students, shoppers calculating discounts, and financial analysts computing growth rates.

How to Use the Percentage Calculator

  1. Select calculation type.
  2. Enter the numeric values.
  3. View instant percentage result.

Worked Calculation Example

15% of $250 = $37.50. What % is 45 of 180? = 25%. Percentage change from 80 to 100 = +25%.

Frequently Asked Questions

How do you calculate percentage change?

Percentage Change = ((New Value - Old Value) / |Old Value|) × 100.

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