Calculate percentage of a number, find percentage increase or decrease, calculate marks percentage and discounts.
This calculator handles six types of percentage problems that Indians face daily — from calculating exam marks and discounts to finding percentage increase in salary and GST calculations.
Formula: Result = (Percentage ÷ 100) × Number. Examples: 18% GST on ₹10,000 = (18/100) × 10,000 = ₹1,800. 80% attendance of 200 classes = (80/100) × 200 = 160 classes. 30% income tax on ₹5 lakh = ₹1.5 lakh.
Formula: % Change = ((New - Old) ÷ Old) × 100. Positive = increase, negative = decrease. Salary from ₹50,000 to ₹60,000 = ((60,000 - 50,000) ÷ 50,000) × 100 = +20% increase. Price from ₹500 to ₹400 = ((400 - 500) ÷ 500) × 100 = -20% decrease (discount).
Percentage calculations appear constantly: GST rates (5%, 18%, 40%), salary hike percentages, bank interest rates (8.5% home loan), FD returns (7.1% PPF), exam marks (480/600 = 80%), discount during sales, TDS rates (10% on FD interest), EPF contribution (12% of basic), and EMI calculations all involve percentages. Understanding percentage helps you make better financial decisions — comparing interest rates, calculating effective returns after tax, and evaluating salary hike offers.
Calculate percentages instantly for any real-life need: exam marks percentage, salary hike calculation, GST percentage, discount savings, profit/loss percentage, and more. Percentage is one of the most used calculations in daily life — from shopping (40% off = how much discount?) to finance (12% SIP return = how much growth?). Our calculator handles all types of percentage problems with a single formula.
What is X% of Y? → (X/100) × Y. Example: 18% of ₹5,000 = 0.18 × 5000 = ₹900. What percentage is X of Y? → (X/Y) × 100. Example: ₹450 out of ₹3,000 = (450/3000) × 100 = 15%. Percentage change from A to B? → ((B-A)/A) × 100. Example: Salary from ₹40,000 to ₹46,000 = ((46000-40000)/40000) × 100 = 15% hike. These three formulas solve 90% of percentage problems.
Exam marks: 340/400 = 85%. Discount: 30% off ₹1,200 = ₹360 off, pay ₹840. GST: ₹10,000 + 18% GST = ₹11,800. Salary hike: ₹50,000 to ₹60,000 = 20% increase. CAGR: If ₹1 lakh grew to ₹2.5 lakh in 10 years, CAGR = ((2.5/1)^(1/10) - 1) × 100 = 9.6%. Commission: 2% brokerage on ₹5,00,000 = ₹10,000. All these can be solved with our calculator.