💯
Percentage Calculator
Calculate percentages, percentage change, increase/decrease, and ratios. Useful for discounts, grades, tips, and financial analysis.
예: 100의 20% = 20
📖 How to Use
- Select calculation type
- Enter the numbers
- Result is displayed automatically
✨ Features
- ✓Various percentage calculations
- ✓Real-time calculation
- ✓Percent change calculation
📐 Formula
Percentage = (Part ÷ Whole) × 100💡 How It Works
- •Percent comes from Latin 'per centum', meaning 'per hundred'.
- •B% of A: A × (B ÷ 100)
- •A is what % of B: (A ÷ B) × 100
- •Percent change: ((New - Old) ÷ Old) × 100
- •Percentage points (%p) differ from percent (%). Going from 10% to 15% is a 5%p increase, or a 50% increase.
❓ FAQ
Q. How to calculate 30% discount?
A. Select 'A - B%', enter original price in A and 30 in B.
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