65/66 as a percentage is 98.48%. This fraction is just one part shy of a whole, so the percentage is extremely close to 100%. It’s a handy way to see how near the value is to a full unit.
The fraction 65/66 means you have 65 pieces out of a possible 66. When you look at it as a percent, the tiny missing piece shows up as the small gap between 98.48% and 100%. That gap represents only about 1.52% of the total, which is why the number feels almost complete.
In everyday terms, if you scored 65 out of 66 on a quiz, you’d have earned 98.48% of the points. It’s a great score that shows you missed just one question out of many. This kind of high percentage is often used to indicate near‑perfect performance.