44/45 is 97.78% when you turn it into a percentage. It’s just a quick way to see how close the fraction is to a whole number.
The fraction 44/45 means you have 44 parts out of 45 equal parts. Since 45 would be the full 100%, having 44 of those pieces puts you just a little bit shy of the whole.
Because the percentage is so high, this kind of ratio shows up in situations where something is almost complete—like a test score of 44 out of 45 questions correct, or a product that’s 97.78% efficient. It’s a handy number to remember for quick estimates.