21/25 as a percentage is 84.00%. This figure shows how the fraction translates into a familiar percent form that’s easy to understand.
The fraction 21/25 can be thought of as 21 parts out of 25 equal parts. When you look at it as a percentage, it tells you that about 84 out of every 100 parts would be filled, which matches the rounded value of 84.00%.
In everyday use, this percentage is handy for comparing sizes, grades, or any situation where you need a quick sense of proportion. It’s a simple way to see that 21/25 is just a little under five‑sixths of a whole.