The term per cent is derived from the Latin per centum meaning by the hundred. In mathematics a percentage is a number or ratio that can be expressed as a fraction of 100. You need to multiply the result by 100 to get the percentage.
The answer is 125.
The basic way to calculate a discount is to multiply the original price by the decimal form of the percentage. Step 1 The percentage of the original number is 100 25 125 Step 2 Convert percent to a decimal. The answer is 125. 020 100 20.