79/94 as a percentage is 84.04%. This is the rounded value you get when you express the fraction in terms of a whole.
The fraction 79/94 tells you that out of 94 equal parts, 79 are taken. When you think of it as a part of 100, it becomes a little more than 84 out of 100, which is why the percentage is a little over 84%.
Because we rounded to two decimal places, the tiny difference beyond 84.04% is ignored. This makes the number easy to read and useful for quick comparisons, such as scores, rates, or any situation where you need a simple percent figure.