How do I calculate a percentage increase?

Percentage Increase = [(New Value - Original Value) / Original Value] * 100. This tracks the proportional growth of a value over time.

How is a value's fraction determined?

To find what percentage X is of Y, divide X by Y, then multiply the product by 100 (e.g. 20 is 40% of 50).

Perform quick percentage calculations, solve business markup shares, and track growth/decay ratios client-side.

1. Proportional Share Solver

What is % of ?

Result: 100

2. Parts to Whole Ratio Solver

is what percentage of ?

Result: 20%

3. Compounded Growth & Decay Solver

What is the percentage change from to ?

Result: 25% Increase

4. Value Operations Solver

What is when by %?

Result: 1150