23/52 as a percentage is 44.23%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths. It's a handy way to compare the fraction to other numbers that are already expressed as percentages.
The fraction 23/52 can also be thought of as a part of a group of 52 items, where 23 of those items are selected. When you see 44.23%, you instantly know that a little less than half of the group is being considered. This makes it easy to communicate the size of the part without using a fraction.
In everyday situations, you might encounter percentages like 44.23% on a report card, a discount, or a test score. Knowing the percentage helps you quickly understand the proportion without having to work with the original fraction.