15/86 as a percentage is 17.44%. This value comes from turning the fraction into a form that’s easy to compare with other numbers you might see on a chart or a report.
The fraction 15/86 shows that 15 parts are taken out of a total of 86 equal parts. When you think about it in everyday terms, it’s a little less than one‑fifth of the whole. That’s why the percentage is under 20 %.
Percentages like this are handy in school projects, budgeting, or sports statistics, because they let you quickly see how big a piece is compared to the total. So whenever you see 17.44%, you know it represents the same amount as 15 out of 86.