62/86 as a percentage is 72.09%. This is the rounded value you get when you turn the fraction into a percent.
The fraction 62/86 can also be thought of as about three‑quarters, since it is close to 0.75 when expressed as a decimal.
In everyday life, you might see this kind of percentage when comparing scores, measuring parts of a whole, or looking at survey results.
Remember, the percent form makes it easy to see at a glance how large the part is compared to the whole.