Frequently Asked Questions
To find X% of Y: multiply Y by X and divide by 100. Example: 15% of 200 = (200 × 15) ÷ 100 = 30.
Percentage increase = ((New Value − Old Value) ÷ Old Value) × 100. Example: from 100 to 130 = ((130−100) ÷ 100) × 100 = 30% increase.
Divide the part by the whole and multiply by 100. Example: 30 out of 200 = (30 ÷ 200) × 100 = 15%.