49/71 as a percentage is 69.01%. This number tells you how much of a whole 49 parts out of 71 represent when you look at it in terms of 100.
The fraction 49/71 is a little under three‑quarters, so it makes sense that its percent value is close to 70%. It’s a useful way to compare the size of the part to a full set.
Knowing the percentage can help in everyday situations, like figuring out scores, discounts, or any time you need to see a part of a whole in a familiar 0‑100 format.