4/45 = ≈8.89%
Rounded to 2 decimal places.
A value like 8.89% can show up as a discount, a small service fee, or the share of people in a group who chose a particular option. For example, it might describe roughly 9 out of every 100 customers.
To picture 4/45 quickly, think of it as just under 1 out of every 11 equal parts. That makes it a little less than one-tenth, or slightly less than 10%.
A common point of confusion is treating 8.89% as though it means 8.89 out of 10; it means about 9 out of 100 instead. Also, 4/45 is exact, while 8.89% is a rounded estimate.