45 divided by 77 is equal to 58.44%. This is the percentage you get when you turn the fraction 45/77 into a percent and round it to two decimal places.
The fraction 45/77 is a little more than half. In everyday terms, it means that if you split something into 77 equal parts and take 45 of them, you have taken just over half of the whole.
Knowing the percentage makes it easy to compare with other numbers. For example, if you scored 58.44% on a test, you got a little more than half of the possible points.