A decimal fraction is one in which the denominator is a power of ten, such as 10, 100, 1000, and so on. The percentage is the decimal fraction that has 100 as its denominator. The numerator of a fraction like this is called Rate percent. 20 percent and 20/100 both refer to the same amount. A percentage is any value represented as a fraction with 100 as the denominator.

For percentage problems, there are numerous formulas. The most basic formula is X/Y = P x 100. All of the formulas are mathematical versions of this formula. A percentage is a figure or ratio that reflects a fraction of 100 in mathematics. The symbol ” percent ” or simply “percent” or “pct.” is frequently used to represent it. For example, the decimal 0.25, or the fraction 25/100, is equal to 25%.

Calculating percentages is a simple mathematical procedure. Follow these three simple steps to calculate the percentage

of any number you like.

- 1. Determine the number’s original format before converting it to a percentage.
- 2. Apply a mathematical formula to the number that has to be converted to a percentage.
- 3. Multiply the result of the numerical value by 100.

You may be required to calculate percentages by working backward on occasion. This is also known as reverse percentages, and it is used when the percentage and final amount are given, but the original number must be determined.

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Source: Сalculatorsoup.com/ / Dummies.com