79/87 as a percentage is 90.80%. This fraction is just a little less than one, so its percentage is close to 100 %. When you see a number like 90.80 %, it tells you that 79 parts out of 87 are present.
The fraction 79/87 can be thought of as 79 pieces out of a total of 87 equal pieces. Because the numerator is high compared to the denominator, the result feels almost like a whole.
In everyday use, you might round 90.80% to 91 % for quick estimates, but the exact value stays at 90.80 % when you need precision.
Knowing that 79/87 equals 90.80% helps when comparing sizes, grades, or any situation where percentages make the picture clearer.