The fraction 30/66 is equal to 45.45% when converted to a percentage and rounded to two decimal places. This means that 30 out of 66 parts represent just under half of the total. It's a bit less than 50%, which would be exactly half.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 30 out of 66 students in a class passed a test, you could say that 45.45% of the class succeeded. Or if you completed 30 out of 66 tasks on your to-do list, you'd have finished 45.45% of your work. This percentage is useful for quickly understanding how much of something is being represented by the fraction.