🔢 Percentage of a Number Calculator

Quickly find what X% of any number is — instantly.


💡 What Does This Do?

This tool helps you calculate a specific percentage of any number.
Perfect for discounts, taxes, tips, commissions, and more!

📊 Percentage of a Number Calculator

Result: 0 is 0% of 0

Calculation: 0 × 0% = 0

🧮 Percentage Formulas

Basic Formula

Value = (Percentage ÷ 100) × Number

Example: What is 20% of 100?
(20 ÷ 100) × 100 = 20

Reverse Calculation

Percentage = (Value ÷ Number) × 100

Example: 25 is what % of 200?
(25 ÷ 200) × 100 = 12.5%

Increase/Decrease by Percentage

New Value = Number × (1 ± Percentage/100)

Example: 100 increased by 10%
100 × 1.10 = 110

💡 Common Percentage Examples

Number Percentage Result
100 20% 20
200 15% 30
50 10% 5
75 25% 18.75


🧠 Formula

X% of Y = (X ÷ 100) × Y


🧮 Example

  • What is 20% of 150?
    👉 (20 ÷ 100) × 150 = 30
    ✔️ So, 20% of 150 is 30.


✅ Use It For:

  • Shopping discounts 🛍️

  • Tax or VAT 🧾

  • Restaurant tips 🍽️

  • Commission earnings 💼

  • School grades 📚


⚡ Why Use Our Tool?

  • 💡 Easy to understand

  • 💻 Works on any device

  • ⏱️ Instant calculation

  • No sign-up, no ads


🔁 Need the reverse?

Try our What Percentage is X of Y? calculator to find out how one number compares to another in percent.

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