30.00% is what you get when you turn the fraction 24/80 into a percentage.
The fraction 24/80 can be simplified to 3/10, which is a tidy way to see that it represents three parts out of ten. In everyday terms, that means for every ten items, three of them match the condition you’re measuring.
Knowing that the percentage is 30.00% helps you compare this value easily with other percentages, like sales discounts or test scores, without having to work with fractions. It’s a quick, clear way to understand the size of the part relative to the whole.