9/72 as a percentage is 12.50%. This is the rounded value you would see on a report card, a chart, or any quick calculation.
The fraction 9/72 can be reduced to 1/8, which is an easy way to think about the size of the part. One‑eighth of a whole is exactly the same as twelve and a half percent, so you can picture it as a small slice of a pizza.
In everyday life you might use this percentage when you need to compare a tiny portion to a whole, like measuring a small ingredient in a recipe or checking a discount on a sale. Remember the number 12.50% and you’ll have a handy reference for this kind of small fraction.