78/79 as a percentage is 98.73%. This number shows just how close the fraction is to a whole.
When you look at 98.73%, it’s almost a perfect 100%. That means the part you have is very, very large compared to the whole. In everyday terms, you’d be missing only a tiny bit—about 1.27%—to reach the full amount.
People use this kind of conversion when they need a quick sense of size. For example, if a test score is 78 out of 79 points, saying the student got 98.73% makes it clear they performed almost perfectly. It’s a simple way to compare fractions with other percentages we see every day.