49/75 as a percentage is 65.33%. This rounded figure tells you how much of a whole 49 parts out of 75 represent.
The fraction 49/75 can be thought of as 49 slices of a pizza that has been cut into 75 equal pieces. When you look at it as a percent, it shows that a little more than half of the pizza is taken.
Knowing the percentage makes it easy to compare with other numbers, like test scores or discounts. If you see a value close to 65.33%, you now know it’s the same size as 49 out of 75.