86/97 as a percentage is 88.66%. This value shows how close the fraction is to a whole number when expressed in everyday terms.
The fraction 86/97 is a bit less than nine‑tenth, so the percentage reflects that it’s just under 90 %. It’s a useful way to compare the fraction with other numbers that are already in percent form.
When you see 88.66% in a report or a chart, you know it represents the same quantity as the fraction 86/97, just in a format that’s easy to read at a glance.