71/79 as a percentage is 89.87%. This number tells you that the fraction is just a little under nine‑tenths of a whole, which is a handy way to picture it in everyday terms.
The fraction 71/79 is already close to 1, so its percentage being near 90 % makes sense. It means that if you had 79 equal parts, 71 of them would be covered or completed.
In real life you might see this kind of value in a test score, a success rate, or any situation where you want to show how much of a total has been reached. Saying “the result was 89.87%” is a clear and quick way to communicate the same idea.