Percentage Calculator
Calculate any percentage with ease! Choose from 6 powerful calculation modes with step-by-step explanations.
What is X% of Y?
💡 Quick Tips
- ✅ Percentage = (Part ÷ Whole) × 100
- ✅ To find X% of Y: (X ÷ 100) × Y
- ✅ Increase by X%: Original × (1 + X/100)
- ✅ Decrease by X%: Original × (1 - X/100)
- ✅ % Change = ((New - Old) ÷ Old) × 100
🎯 Common Uses
- 💰 Calculate discounts and sales tax
- 📈 Analyze financial growth or losses
- 🎓 Calculate test scores and grades
- 📊 Compare statistics and data
- 💵 Calculate tips and service charges
📚 Popular Examples
Shopping Discount
Item costs $80, 25% off
= $60
Test Score
45 out of 60 questions
= 75%
Sales Tax
$200 + 8% tax
= $216
Salary Increase
$50k increased by 10%
= $55k
Stock Change
From $100 to $125
= +25%
Tip Amount
18% of $85 bill
= $15.30