Percentage Calculator
Calculate percentages, increases, decreases, and changes instantly
Calculate X% of Y
Quick Examples
25% of 200
= 50
From 100 to 120
= 20% increase
25 of 100
= 25%
How to Use Percentage Calculator
📊 Basic Percentage
What is X% of Y?
Example: What is 25% of 200? Answer: 50
📈 Percentage Increase
Calculate percentage increase from old to new value
Example: From 100 to 120 = 20% increase
📉 Percentage Decrease
Calculate percentage decrease from old to new value
Example: From 100 to 80 = 20% decrease
🔍 Find Percentage
What percentage is X of Y?
Example: What % is 25 of 100? Answer: 25%
Common Percentage Calculations
🎓 Academic Use
- • Calculate exam marks percentage
- • Convert CGPA to percentage
- • Calculate grade percentages
- • Attendance percentage calculation
- • Assignment score percentages
💰 Financial Use
- • Calculate discounts and sales
- • Calculate tips at restaurants
- • Calculate tax percentages
- • Calculate profit and loss
- • Calculate interest rates
Percentage Formulas
Basic Percentage Formula
Percentage = (Part / Whole) × 100
Percentage Increase Formula
% Increase = ((New Value - Old Value) / Old Value) × 100
Percentage Decrease Formula
% Decrease = ((Old Value - New Value) / Old Value) × 100