64/69 as a percentage is 92.75%. This number tells you how close the fraction is to a full 100 %.
The fraction 64/69 is a bit less than one whole, which is why its percentage is just under 100 %. It shows that 64 parts out of 69 are present, a fairly large portion.
In everyday use, you might round the percentage to 93 % for quick estimates, but the precise rounded value of 92.75% gives a more accurate picture when exactness matters.