20/24 as a percentage is 83.33%. This number tells you how much of a whole 20 parts out of 24 represent when you look at it on a scale of 100.
In everyday language, you can think of 83.33% as a little more than four‑fifths of something. If you had 24 slices of pizza and ate 20 of them, you’d have eaten about 83.33% of the pizza.
Seeing fractions as percentages makes it easier to compare them with other numbers, especially when dealing with grades, discounts, or statistics. Remember that 83.33% is just another way of writing the fraction 20/24 in a format most people use daily.