How to Calculate Percentage

Percentage Calculation Example

Suppose a student scores 420 marks out of 500.

Percentage = (420 ÷ 500) × 100 = 84%

How to Calculate Percentage of Marks

In exams, percentage is calculated by dividing obtained marks by total marks and multiplying by 100.

This method is commonly used in schools, colleges, and competitive exams.

How to Find Percentage Increase or Decrease

Percentage is also used to measure growth or reduction.

• Percentage Increase = (Increase ÷ Original Value) × 100
• Percentage Decrease = (Decrease ÷ Original Value) × 100

Why Percentage is Important

• Used in exam results and grading systems
• Helps compare values easily
• Used in finance, discounts, and interest calculations
• Essential for data analysis and statistics

Frequently Asked Questions

What is the easiest way to calculate percentage?
Divide the part by the total and multiply by 100.

How do you calculate percentage without a calculator?
Convert the fraction into a decimal and multiply by 100 manually.

Is percentage always out of 100?
Yes, percentage represents a value per 100.