14/66 as a percentage is 21.21%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 14/66 can be simplified to 7/33, which is a little more than one‑fifth of a full amount. Thinking of it in everyday terms, if you had 33 equal parts, 7 of them would be taken.
In many reports and presentations, percentages like 21.21% are used because they are easier to read than fractions. Rounding to two decimal places keeps the number tidy while still staying accurate enough for most practical purposes.