Percentage Calculator
Calculate percentages easily and quickly
How to Calculate Percentages
A percentage is a number or ratio expressed as a fraction of 100. It is denoted using the percent sign "%".
Common Percentage Formulas
- Finding X% of Y: (X ÷ 100) × Y
- What % is X of Y: (X ÷ Y) × 100
- Percentage Increase: Original Number + (Original Number × Percentage ÷ 100)
- Percentage Decrease: Original Number - (Original Number × Percentage ÷ 100)
Examples
- 20% of 500 = 100
- 50 is 10% of 500
- 500 increased by 20% = 600
- 500 decreased by 20% = 400
FAQs
Q: How do I calculate percentage increase?
A: Divide the increase by the original number and multiply by 100. Formula: ((New Value - Old Value) / Old Value) × 100
Q: What is the difference between percentage and percentile?
A: Percentage is a fraction of 100, while percentile is a measure used in statistics indicating the value below which a given percentage of observations fall.