Percentage Calculator

Value Percentage % Mode

Result

How This Calculator Works

This UK percentage calculator helps you quickly find percentage increases or decreases. It is useful for finance, shopping discounts, tax calculations, and business pricing.

Simply enter a value, choose a percentage, and select whether you want to increase or decrease it. The result updates instantly.

Examples

Calculation	Answer
20% of £500	£100
Increase £800 by 15%	£920
Decrease £1,000 by 25%	£750

Frequently Asked Questions

How do you calculate a percentage increase?

Add the percentage of the original value to the original number.

How do you calculate a percentage decrease?

Subtract the percentage from the original value.

Can I use this calculator for discounts?

Yes. Enter the original price and discount percentage to calculate the sale price.

Can I use this calculator for VAT?

Yes, although our dedicated VAT Calculator provides additional VAT-specific features.