Percentage Calculator

Calculate percentages, increases, decreases, and more

Input Values

Results

What percent of Y is X?
0%
X% of Y is?
0
Percentage change from X to Y
0%

Disclaimer

This percentage calculator provides accurate calculations for educational and general purposes. Results are rounded to two decimal places.

What is a Percentage Calculator?

A percentage calculator helps you solve various percentage-related problems including finding what percentage one number is of another, calculating percentage increases or decreases, and determining the original value before a percentage change.

Essential for business calculations, academic work, financial analysis, and everyday math problems involving percentages.

Common Percentage Calculations

What is X% of Y?

Calculate a percentage of a number. Example: What is 25% of 200? Answer: 50

X is what % of Y?

Find what percentage one number represents of another. Example: 50 is what % of 200? Answer: 25%

Percentage Change

Calculate percentage increase or decrease between two values. Useful for analyzing growth rates and changes over time.

Real-World Applications

Sales and Discounts

Calculate sale prices, discount amounts, and savings on purchases.

Financial Analysis

Analyze investment returns, loan interest rates, and financial growth metrics.

Academic Grading

Convert test scores to percentages and calculate grade point averages.

Frequently Asked Questions

How do I calculate percentage increase?

Use the formula: ((New Value - Old Value) / Old Value) × 100. For example, if a price increases from $100 to $120, the increase is 20%.

What's the difference between percentage and percentile?

Percentage is a fraction of 100, while percentile indicates the value below which a percentage of data falls in a distribution.

Can percentages exceed 100%?

Yes, percentages can exceed 100% when representing increases, ratios, or comparisons where the result is greater than the original value.

🚀 Model Context Protocol (MCP) Server - Percentage Calculator

MCP Ready

Enable MCP server integration for AI assistants! This calculator supports Model Context Protocol (MCP) for direct AI access. Connect Claude Desktop, ChatGPT, and other MCP-compatible AI tools for automated processing and real-time data transformation. MCP tool identifier: "percentage-calculator"

https://utilityfordev.com/api/mcp?session=

🎯 MCP Server Benefits:

  • Native Model Context Protocol server implementation
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  • Support for 70+ MCP-enabled tools and calculators

MCP Protocol Compatibility:

AI Assistants: Claude Desktop, ChatGPT Plus, Anthropic Claude, OpenAI GPT models

MCP Clients: Custom AI applications, MCP-enabled development tools, automated AI workflows

🔥 Why Use MCP Protocol?

Model Context Protocol (MCP) enables standardized communication between AI assistants and external tools. Transform static utilities into dynamic AI-accessible services with our MCP server implementation.