92.77% is what you get when you turn the fraction 77/83 into a percent. This rounded figure shows how close the fraction is to a whole number of hundred.
The fraction 77/83 is a proper fraction, meaning the numerator is smaller than the denominator. It represents a part of a whole that is a little less than 1, but still a fairly large portion—about nine‑tenths of the whole.
When you think of 92.77% in everyday terms, imagine you have 100 items and you keep roughly 93 of them. That’s the same size as 77 out of 83 parts, just expressed in a different way.