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Free Calculator

Percentage Calculator

Calculate percentages, percentage change, and percentage of a number with ease

Percentage Calculation
Choose calculation type and enter values
Calculation Results
Your percentage calculation results

Enter values to see percentage calculation

About Percentage Calculator

A percentage calculator helps you perform various percentage-related calculations quickly and accurately.

Calculation Types:

  • Percentage of a Number: Calculate what percentage of a number is another number
  • Percentage Change: Calculate the percentage increase or decrease between two values
  • Find Percentage: Find what percentage one number is of another

Common Use Cases:

  • Calculate discounts and markups
  • Determine percentage change in prices
  • Calculate tax percentages
  • Analyze growth rates
  • Calculate tip percentages

Questions about percentage calculator

How do I work out a percentage increase?
Divide the difference by the original value, not by the new one. From 200 to 250 is 50/200, which is 25 percent — dividing by 250 gives 20 percent and is the most common mistake in the calculation.
Why is a 20 percent rise then a 20 percent fall not back where it started?
Because the second percentage applies to a bigger number. 100 rises to 120, and 20 percent of 120 is 24, so it lands at 96. Percentage changes never simply cancel.
How do I calculate marks percentage?
Marks obtained divided by total marks, times 100. For an aggregate across subjects, add all the marks obtained and all the totals first, then divide once.
What is a percentage point?
The plain difference between two percentages. From 5 percent to 7 percent is two percentage points but a 40 percent increase, and reports use whichever sounds better.

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