66/74 as a percentage is 89.19%. This value is already rounded to two decimal places, so you can use it directly in any calculation that needs a percentage.
The fraction 66/74 is close to 1, which means it represents a large part of the whole. When you think of it in everyday terms, it’s like getting 89 out of every 100 points on a test—pretty good performance.
If you need to compare this number to other percentages, just remember that 89.19% shows a high proportion, just a little under 90%. It’s useful for quick estimates and for showing how much of a total something represents.