30/37 as a percentage is 81.08%. This number tells you how close the fraction is to a whole, and it’s a handy way to compare it with other values that are expressed as percentages.
The fraction 30/37 is already in its simplest form, meaning the numerator and denominator share no common factors other than 1. It represents a little more than three‑quarters of a whole, which matches the percentage that falls just above 80%.
When you see 81.08% on a chart or a report, you can think of it as the same thing as the fraction 30/37. It’s a quick way to understand the size of the part relative to the whole without having to work with the fraction directly.