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Percentage Calculator — X% of Y
3 percentage tools in one: calculate increases/decreases, find what percentage X is of Y, and calculate variation between two values.
❓ FAQ
How to calculate a percentage? ▾
To find X% of Y: multiply Y by X and divide by 100. Example: 12% of 1000 = 1000 × 12 / 100 = 120.
How to calculate a percentage increase? ▾
((New value - Old value) / Old value) × 100. Example: from 80 to 100 = ((100-80)/80) × 100 = +25%.
How to calculate a discount? ▾
Price × (1 - discount%). Example: 100€ with 20% off = 100 × 0.80 = 80€.