8/80 as a percentage is 10.00%. This is the simple way to see how the fraction relates to a whole.
When you reduce the fraction 8/80, it becomes 1/10. A tenth of any amount is exactly ten percent, so the fraction and the percentage tell the same story.
Percentages like 10.00% are useful for comparing parts of a whole in everyday situations, such as sales discounts, test scores, or population data. Knowing that 8 out of 80 is 10 % helps you quickly understand the size of the part without doing extra math.