53/80 = 66.25%
A value like 53/80, or 66.25%, can show up when 53 out of 80 people choose a certain option in a survey. It could also describe attendance, test results, completed tasks, or the amount of a project that is finished.
You can picture 53/80 as about two-thirds of a whole, since 66.25% is a little more than 66%. On a progress bar, it would reach roughly two-thirds of the way across, leaving a bit less than one-third unfinished.
A common mistake is to treat 66.25% as if it were exactly two-thirds, even though it is slightly lower than 66⅔%. Another point of confusion is forgetting that the fraction depends on the total of 80, so 53 out of a different total would represent a different percentage.