how to calculate percentage formula
Percentage is a way of expressing a number as a fraction of 100. It is widely used in mathematics, exams, profit and loss, statistics, and daily calculations.
Basic Percentage Formula
Percentage = (Value ÷ Total Value) × 100
Example:
If a student scores 450 marks out of 500:
Percentage = (450 ÷ 500) × 100
= 90%
Important Percentage Formulas
| Purpose | Formula |
|---|---|
| Percentage | (Value ÷ Total) × 100 |
| Increase Percentage | (Increase ÷ Original) × 100 |
| Decrease Percentage | (Decrease ÷ Original) × 100 |
Uses of Percentage
Exam results
Discounts
Profit and loss
Data comparison
In conclusion, percentage is calculated by dividing the obtained value by the total value and multiplying the result by 100.