63/97 as a percentage is 64.95%. This is the rounded value you get when you express the fraction in terms of a whole number out of 100.
The fraction 63/97 is a proper fraction, meaning the numerator is smaller than the denominator. It represents a little more than half of the whole, since 50% would be 48.5/97.
In everyday situations, you might see this percentage used to show a test score, a survey result, or a part of a budget. Saying something is 64.95% makes it easy for most people to understand how large the portion is.
When you need a quick comparison, the percentage format works better than the fraction, especially in charts or reports where numbers are read at a glance.