73/75 as a percentage is 97.33%. This fraction is very close to a whole, and the percentage shows just how near it is to 100%.
When you see 97.33%, you can think of it as almost the entire amount. In everyday terms, if you had 75 pieces of something and you used 73 of them, you would have used about 97.33% of the total.
This kind of number is useful for quick checks. For example, a test score of 73 out of 75 points would be reported as a 97.33% grade, indicating excellent performance.