30/37 as a percentage is 81.08%. This means that the fraction is a little over eight‑tenths of a whole, or roughly 81 out of every 100 parts.
The fraction 30/37 is already close to 1, because the numerator (30) is only 7 less than the denominator (37). When you look at it as a percentage, you can see just how large it is compared to a full 100 %. It’s useful for quick mental checks, like knowing that 30/37 is larger than 3/4 (which is 75 %) but smaller than 5/6 (about 83.33 %).
Since we rounded to two decimal places, the exact value of 30/37 is a tiny bit different, but 81.08% is accurate enough for most everyday purposes. It’s a handy way to understand the size of the fraction at a glance.