The basic percentage formula
To find a percentage of a number, multiply the number by the percentage and divide by 100.
Easy examples
- 10% of 200 = 20.
- 25% of 80 = 20.
- If a price rises from 100 to 120, the increase is 20%.
For repeated percentage questions, the free percentage calculator saves time and reduces manual mistakes.
How to calculate percentage of marks
To calculate your exam or school percentage, add the marks you scored, divide them by the total marks, and multiply by 100.
Percentage = (Marks scored ÷ Total marks) × 100
For example, if you score 420 marks out of 500, your percentage is 84%.
How to calculate exam percentage
For an exam with several subjects, first add the marks you scored in all subjects. Then add the maximum marks for all subjects. Divide the total marks scored by the maximum marks and multiply by 100.
For example, if your total score is 450 out of 600, the percentage is 75%.
How to find percentage from marks
You can quickly find a percentage from marks by using the formula: marks scored divided by total marks, multiplied by 100.
This method works for school marks, exam results, test scores, and other situations where you want to convert marks into a percentage.
FAQ
How do I calculate the percentage of marks?
Divide the marks scored by the total marks and multiply the result by 100. For example, 420 out of 500 gives 84%.
How do I calculate my exam percentage?
Add your marks from all subjects, divide the total by the maximum marks, and multiply by 100.
How do I convert marks into a percentage?
Use the formula: Percentage = (Marks scored ÷ Total marks) × 100.
What is 20% of 500?
20% of 500 is 100.
This guide is for general information. Calculator results are estimates based on the values you enter.