66 divided by 85 equals 77.65%. This is the percentage you get when you turn the fraction 66/85 into a percent form, rounded to two decimal places.
The fraction 66/85 is a little more than three‑quarters, so it makes sense that its percent is close to 75 %. It can show up in things like test scores, where a student gets 66 correct answers out of 85 questions.
When you see 77.65%, you know the original fraction was 66 out of 85, and the value has been rounded to keep it tidy for reports and charts.
