73/80 as a percentage is 91.25%. This fraction is close to a full whole, so the percentage reflects that it is just a little under 100%.
When you look at 73 out of 80 parts, it means you have 73 pieces of a total of 80. That’s a strong majority, and the percentage shows it clearly.
In everyday use, saying something is 91.25% makes it easy to compare with other numbers, like test scores or survey results. It’s a quick way to see that the value is very high, but not quite perfect.