56/77 as a percentage is 72.73%. This is the rounded value you get when you turn the fraction into a percent.
The fraction 56/77 can be simplified by dividing both the numerator and the denominator by their greatest common divisor, 7. That gives you 8/11, which is easier to think about when estimating its size.
In everyday terms, 72.73% means that if you had 77 equal parts of something, 56 of those parts would be just a little under three‑quarters of the whole. It’s a useful way to compare parts to a whole without dealing with fractions.
So whenever you need to describe 56 out of 77 items in percent form, you can safely use 72.73% as the quick, rounded answer.