Percentage Calculator

How to Use the Percentage Calculator

1. Enter Your Numbers

• First Number: Enter your initial value (e.g., 25)

• Second Number: Enter your total/comparison value (e.g., 200)

2. Automatic Calculation

• Results update instantly as you type

• Shows two percentage relationships:

  • Number 1 as % of Number 2 (e.g., “12.5%”)

  • Number 2 as % of Number 1 (e.g., “800%”)

3. Example Use Cases

• Test scores: “What’s 45 out of 50 as a percentage?” → Enter 45 and 50

• Discounts: “What’s $30asapercentageof$120?” → Enter 30 and 120

• Growth rates: “150 is what % increase from 100?” → Enter 150 and 100

💡 Key Features

• Works with any positive numbers

• Handles decimals (e.g., 12.5 and 87.3)

• Mobile-friendly design

🧮 Common Percentage Formulas

1. X as % of Y = (X ÷ Y) × 100

2. Y as % of X = (Y ÷ X) × 100

⚠️ Notes

• Only works with positive numbers

• For percentage change (increase/decrease), subtract 100% from the result

• Example: If result shows “150%”, that’s a 50% increase