63/80 as a percentage is 78.75%. This fraction is just under four‑fifths, so its decimal value sits a little below 0.8, which translates to the percentage shown.
The fraction 63/80 can be useful when you need to split something into 80 equal parts and take 63 of them. It shows up in problems involving scores, measurements, or any situation where you’re working with parts of a whole.
Because the exact percentage has many decimal places, we round it to two places for ease of use. That’s why you see 78.75% instead of a longer string of numbers.
In everyday language, saying “about 79 %” is fine, but if you need precision, 78.75% gives the exact share of the whole that 63 out of 80 represents.
