Percentage Calculator
Calculate percentages, percentage changes, and solve percentage problems
Percentage Calculation
Result
Enter values and click calculate to see the percentage result
Percentage Calculation Guide
Common Percentage Formulas
Percentage of a number
X% of Y = (X/100) × Y
Example: 25% of 200 = (25/100) × 200 = 50
What percentage is X of Y?
Percentage = (X/Y) × 100
Example: 50 of 200 = (50/200) × 100 = 25%
Percentage Change
% Change = ((New - Old)/Old) × 100
Example: 100 to 150 = ((150-100)/100) × 100 = 50%
Real-World Applications
- • Shopping: Calculate discounts and savings
- • Finance: Interest rates, loan calculations
- • Business: Profit margins, growth rates
- • Statistics: Survey results, data analysis
- • Academics: Grade calculations, score improvements
- • Health: Body fat percentage, nutrition facts
Quick Percentage Tips
- • 10%: Move decimal point one place left
- • 1%: Move decimal point two places left
- • 50%: Divide by 2
- • 25%: Divide by 4
- • Double: 100% increase
Shopping Example
Original Price: ₹2,000
Discount: 30%
You Save: ₹600
Final Price: ₹1,400
Exam Score Example
Marks Obtained: 85
Total Marks: 100
Percentage: 85%
Grade: A
Salary Increase Example
Old Salary: ₹50,000
New Salary: ₹60,000
Increase: 20%
Additional Income: ₹10,000