What is 20/25 as a percentage? It’s 80.00%.
The fraction 20/25 can be simplified to 4/5, which means four parts out of five. Whether you keep it as a fraction or turn it into a percentage, the value stays the same—it just looks different.
People often use the percentage form when they want to compare parts of a whole quickly. Seeing 80.00% tells you that the amount is eight‑tenths, or four‑fifths, of the whole.
In everyday situations, such as grading or sales, expressing 20/25 as 80.00% makes it easy to understand how much of the total has been achieved or how much of an item is left.