How is the increase applied?

New value = original × (1 + p/100). E.g. 100 increased by 15% = 115.

Can I use it for discounts?

Use a negative percentage for a decrease (e.g. -20% for 20% off).

Markup is often (price − cost)/cost; this tool applies a percent to the original value. They differ when expressed as % of different bases.

Find the value after a percentage increase: new = original × (1 + p/100).

Original value

Increase (%)

How is the increase applied?: New value = original × (1 + p/100). E.g. 100 increased by 15% = 115.
Can I use it for discounts?: Use a negative percentage for a decrease (e.g. -20% for 20% off).
Is this the same as markup?: Markup is often (price − cost)/cost; this tool applies a percent to the original value. They differ when expressed as % of different bases.

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