53/85 as a percentage is 62.35%. This number tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 53/85 is a little more than half of a whole. If you picture a pizza cut into 85 equal slices, taking 53 of those slices would give you about 62 out of 100 slices, which matches the percentage we just saw.
Knowing the percentage helps when you compare different amounts quickly. For example, if a test score is 53 out of 85 points, you can say you earned roughly 62.35% of the total points, making it easy to see how you did.