77/79 as a percentage is 97.47%. This number tells you how close the fraction is to a whole. It’s a very high percentage, showing that the fraction is almost one.
The fraction 77/79 can be thought of as 77 parts out of 79 equal parts. Because the two numbers are close, only two parts are missing from a full set of 79. That small gap is why the percentage is so large.
When you see a percentage like 97.47%, you know the value is just a little under 100%. It’s useful for quickly comparing the size of fractions without doing long division each time.