225/1080 = ≈20.83%
Rounded to 2 decimal places.
A value like 225/1080, or about 20.83%, can show up when comparing part of a group to the whole. For example, it could represent the share of students who choose a certain lunch, the portion of a budget spent on transportation, or the amount of a tank that has been used.
You can picture it as a little more than one-fifth of the whole. Since one-fifth is 20%, 20.83% is just slightly larger, so a quick estimate would be about 21 out of every 100 items.
A common mistake is treating 20.83% as if it were 20.83 whole items. The percent describes a portion of the entire amount, while the fraction 225/1080 identifies the specific numbers in the comparison.