Number from Percentage

Find a number given its percentage of a total. Example: What is 80% of 25? Answer: 20.

Calculate the percentage increase or decrease between two values. Useful for tracking growth, discounts, or performance changes.

Percentage Difference

Find the percentage difference between two numbers. Shows how much one value differs from another as a percentage.

Calculate compound percentage changes over multiple periods. Useful for investment returns or cumulative effects.

Real-time Calculation

See results instantly as you type. No need to press calculate - the tool updates automatically.

Easily copy calculation results to clipboard for use in documents, spreadsheets, or other applications.

NextUtils - Free Online Tools for Developers & Designers

Percentage Calculator

Q: Percentage of a Number

Calculate what percentage one number is of another. Example: 25 is what percentage of 100? Answer: 25%.

Calculate percentages, changes, and compound effects

Calculation Type

Percentage of a Number

Part *

Whole *

💡 Keyboard shortcuts: Press Enter to calculate, Escape to clear

Explore More Tools

Discover our collection of free online tools for developers, designers, and power users

🛠️

Utilities

🧮

Calculator

popular

Advanced calculator with history, scientific functions, and memory features. Perfect for students, engineers, and anyone needing powerful calculation capabilities with a clean, intuitive interface.

🗜️

Image Compressor

Compress images while maintaining quality with advanced algorithms and customizable compression settings. Essential tool for web developers, content creators, and anyone needing to optimize image file sizes.

📐

Image Resizer

Resize images to different dimensions with aspect ratio preservation, multiple output formats, and batch processing capabilities. Essential tool for web developers, designers, and content creators.

🔗

URL Encoder

Encode and decode URLs, special characters, and HTML entities with support for multiple encoding standards. Essential tool for web developers, system administrators, and anyone working with URL encoding.

✅

Data Validator

new

Validate emails, phone numbers, credit cards, postal codes, and more with comprehensive validation rules and error reporting. Essential tool for developers, data analysts, and form validation.

🔄

Data Randomizer

new

Anonymize, shuffle, and mask sensitive data while preserving structure and relationships. Essential tool for data scientists, researchers, and anyone working with sensitive data that needs anonymization.

⚙

Sig Figs Calculator

new

Solve expressions and round to significant figures. Counts sig figs, applies add/sub decimals rule, supports log and ln.

🔄

Converters

🔗

Base64 Converter