ToolSci.com

📊 Percentage Calculator

Quickly calculate percentages, increases, and proportions.

â„šī¸ About Percentage Calculator

The Percentage Calculator simplifies common 'math of 100' tasks that we encounter daily in business, finance, and data analysis. Whether you're calculating a discount, determining a project's completion percentage, or figuring out a tip, this tool provides instant and accurate results.

It supports two main modes: finding a specific percentage of a total (e.g., 'What is 15% of 80?') and determining the proportion of one number against another (e.g., '20 is what percentage of 200?').

📖 How to use Percentage Calculator

  1. 1. Select the calculation mode from the 'Operation' menu.
  2. 2. Enter the two values (X and Y).
  3. 3. Click 'Run Tool' to see the result and the formula used.

❓ Frequently Asked Questions

Can I calculate percentage increase or decrease?

You can use the 'X is what % of Y' mode to find proportions. For direct increase/decrease, we recommend calculating the difference first and then using this tool.

Does it handle very large numbers?

Yes, it uses standard floating-point math and can handle the large values common in financial and technical data.

Is the result rounded?

The percentage result is rounded to two decimal places for readability.

🔗 Related Misc Tools