Percentage Calculator

Five percentage calculators in one — find the percentage of a number, your marks percentage, increase, decrease or profit and loss.

Percentage Calculator

Pick a mode and get an instant, accurate answer.

How to Use the Percentage Calculator

  1. Choose the calculation mode you need at the top.
  2. Enter the required numbers in the fields shown.
  3. Click Calculate.
  4. Read your answer plus a plain-language explanation.
  5. Switch modes anytime to run a different calculation.

Frequently Asked Questions

Use the ‘Marks %’ mode: enter marks obtained and total marks. The formula is (obtained ÷ total) × 100.
Increase % measures change between any two values; profit % specifically compares selling price to cost price. Use the mode that matches your situation.
Yes. The ‘Decrease %’ mode shows how much a value has fallen from its original amount as a percentage.
Great for students checking exam scores and for shopkeepers working out profit or loss.