The fraction 66/84 is equal to 78.57% when converted to a percentage and rounded to two decimal places. This means that 66 out of 84 parts represent about 79% of the whole. It's a bit more than three-quarters, which would be 75%.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 66 out of 84 students passed a test, you could say that 78.57% of the class succeeded. Or if a basketball player made 66 out of 84 free throw attempts in a season, their free throw percentage would be 78.57%. This percentage is generally considered pretty good in many scenarios, as it's closer to 100% than it is to 50%.