22/40 as a percentage is 55.00%. This number shows how much of a whole the fraction represents when we look at it in terms of hundredths. The percent form is useful when comparing values that are expressed differently.
The fraction 22/40 can be simplified to 11/20, but the percentage stays the same at 55.00%. This makes it easy to see that a little more than half of something is being described.
When you see 55.00% in a chart or report, you know it comes from the same ratio as 22 out of 40 parts. It’s a quick way to understand the proportion without doing any extra math.