57/82 expressed as a percentage is 69.51%. This number tells you how much of a whole 57 parts out of 82 represent when you think of the whole as 100 %.
When you see the fraction 57/82, you can picture it as a slice of a pizza that has been cut into 82 equal pieces, and you have 57 of those pieces. Turning that into a percentage just lets you compare it to a full pizza (100 %) in an easy way.
In everyday situations, knowing that 57/82 is about 70 % can help you estimate quickly. For example, if you scored 57 out of 82 on a test, you performed close to the 70 % mark.
Remember, the rounded figure 69.51% is precise to two decimal places, which is usually enough for most practical uses.