A percentage is a way to express a number as a fraction of 100. It is denoted using the percent symbol %
.
Percentages are commonly used to compare proportions, describe changes, and calculate parts of a whole.
"Per-cent" literally means "per hundred." For example, 50% means "50 out of 100," or simply half.
The formula to calculate percentage is: Percentage = (Part / Whole) × 100
(20 / 50) × 100 = 40%
1 / 4 = 25%
Percentages provide a standardized way to compare values and are easy to understand and calculate. They are commonly used in various fields like: