2/80 as a percentage is 2.50%. This tiny slice of a whole shows how a small number can still be expressed clearly with a percent sign.
The fraction 2/80 can also be simplified to 1/40, which means one part out of forty equal parts. Even though the numbers are small, the idea is the same: a part of a whole.
When you see 2.50% on a label or in a report, you now know it’s just another way of writing 2 out of 80. It’s a handy shortcut for quick comparisons and easy reading.