13/75 = ≈17.33%
Rounded to 2 decimal places.
A share of 17.33% could describe 13 students in a group of 75, or 13 items with a certain feature in a batch of 75. Values like this are useful when comparing parts of groups that aren’t the same size.
To picture 13/75 quickly, think of it as a little less than one-fifth, since one-fifth is 20%. It’s also close to one person out of every six.
A common mix-up is treating 17.33% as 17.33 items, even when the total group is a different size. The percentage describes a share of the whole, so the number of items depends on how large that whole is.