21/26 = ≈80.77%
Rounded to 2 decimal places.
A value like 21/26, or about 80.77%, might describe how many questions someone answered correctly on a 26-question quiz. It could also show up as the share of people who chose one option in a survey or the portion of a project that is finished.
To picture it quickly, imagine 26 equal pieces with 21 shaded in: most of the whole is covered, but a small part remains. Since the value is a little above 80%, you can think of it as roughly four-fifths.
One common point of confusion is treating 80.77% as exactly 80%. It is close, but that extra fraction of a percent can matter when comparing scores or totals, especially if the numbers are being rounded.