30/330 = ≈9.09%
Rounded to 2 decimal places.
A value like 30/330 can show up when 30 items out of a group of 330 meet a certain condition. For example, it could represent the share of students who walk to school, products that are returned, or survey responses with a particular answer; in percentage form, that is about 9.09%.
To picture it quickly, imagine dividing 330 objects into ten nearly equal groups. Thirty objects would make up just under one of those groups, so the fraction is a little less than one-tenth.
A common mistake is to think 30/330 is close to 30%, simply because the numerator is 30. The denominator matters just as much, and since 330 is much larger than 30, the actual share is only about 9.09%.