18/75 = 24%
A value like 18/75, or 24%, might describe how many students in a class ride the bus, how much of a phone battery is left, or how often a certain event happens. It’s a little less than one quarter of the whole.
To picture it quickly, imagine a group split into four equal parts: 24% is just a bit less than one of those parts. You can estimate it as roughly one out of every four items.
A common mix-up is treating 24% as the same as 24 items, even when the total is not 100. The percentage describes a share of the whole, so the number of items depends on how large the group is.