91.67% is the percentage equivalent of 66/72. This tells you how large the fraction is when expressed out of a whole hundred. It’s a quick way to compare the fraction with other percentages you might see in everyday numbers.
The fraction 66/72 can be reduced to 11/12, which is a common fraction you might recognize from school. Seeing it as 91.67% helps you understand that it’s just a little less than a full 100%, so it’s a high proportion of the whole.
In practical terms, you could use this percentage when looking at test scores, discounts, or any situation where you need to see how a part relates to a whole. Remember, 91.67% means the part is very close to the entire amount.