The fraction 45/57 is equal to 78.95% when converted to a percentage and rounded to two decimal places. This means that if you had 57 items and took 45 of them, you'd have about 79% of the total. It's a fairly high percentage, showing that 45 is pretty close to 57 in value.
To put this in perspective, 78.95% is more than three-quarters of the whole but not quite four-fifths. In everyday situations, you might see this kind of percentage when talking about things like test scores, success rates, or portions of a group. For example, if 45 out of 57 students passed a test, you could say that 78.95% of the class was successful.
