20/99 as a percentage is 20.20%. This number comes from the fraction 20 out of 99, which is a little more than one‑fifth of a whole.
The fraction 20/99 is a proper fraction, meaning the numerator is smaller than the denominator. It shows how many parts out of 99 are being considered, and in this case it’s 20 parts.
When you think of it as a percentage, you can picture 20.20 out of every 100 parts. This makes it easy to compare with other percentages, like 15% or 25%, without having to work with the original fraction.