How to Calculate Percentage

÷ SmartCalc 📊 Math Guide Master all 5 types of percentage calculations with examples SmartCalc · smart-calculator.in Percentage Calc →

Find X% of a Number

÷ SmartCalc 2 / 9 Type 1 Formula Result = (Percentage ÷ 100) × Number Example What is 15% of Rs 2,000? = (15 ÷ 100) × 2,000 = Rs 300 Type 2 → Try Calculator

X is What % of Y?

÷ SmartCalc 3 / 9 Type 2 Formula % = (X ÷ Y) × 100 Exam score example You scored 72 out of 90 = (72 ÷ 90) × 100 = 80% Type 3 → Calculate

Percentage Increase

÷ SmartCalc 4 / 9 Type 3 Formula % Change = [(New - Old) ÷ Old] × 100 Salary hike example Old: Rs 40,000 · New: Rs 52,000 = [(52,000 - 40,000) ÷ 40,000] × 100 = 30% hike! Type 4 → Try It

Percentage Decrease

÷ SmartCalc 5 / 9 Type 4 Formula % Decrease = [(Old - New) ÷ Old] × 100 Price drop example Original: Rs 1,000 · Sale: Rs 750 = [(1,000 - 750) ÷ 1,000] × 100 = 25% off! Type 5 → Calculate

Reverse Percentage

÷ SmartCalc 6 / 9 Type 5 Know sale price and discount — find the original price Formula Original = Sale Price ÷ (1 - Discount/100) Example Sale price Rs 800, Discount 20% = 800 ÷ 0.80 Original = Rs 1,000 Quick reference → Try Reverse

Real-World Examples

÷ SmartCalc 7 / 9 Quick Reference 18% GST 18% of Rs 5,000 = Rs 900 25% off Rs 2,000 → pay Rs 1,500 72 of 90 (72÷90)×100 = 80% Salary hike 40k to 52k = 30% increase Common mistake → Open Tool

% vs Percentage Points

÷ SmartCalc 8 / 9 Common Mistake Do not confuse these! Rates rise from 4% to 6% WRONG: "Increased by 2%" RIGHT: "Rose 2 percentage points" Relative change = 50% increase Try the calculator → Calculate

3 Percentage Modes in One Tool

÷ SmartCalc 9 / 9 📊 Free Tool Find X% of Y · What % is X of Y · Percentage increase or decrease. Free and instant. Free · Instant · No signup 📊 Open Percentage Calc →