21.31% is what you get when you turn the fraction 13⁄61 into a percentage (rounded to two decimal places).
The fraction 13⁄61 is a simple way to show a part of a whole, and it’s useful when you need an exact value without rounding. It’s a bit more precise than a decimal, but the percentage makes it easier to compare with other numbers you might see in everyday life.
In practice, you might see this percentage on a report card, a survey result, or a financial statement where a quick, understandable figure is needed. Knowing that 13⁄61 is about 21.31% helps you interpret the data without digging into the fraction itself.