33/44 = 75%
A value of 75% might show up as a sale discount, a test score, or the amount of a phone battery left. It tells you that something is at about three-quarters of the whole.
To picture it quickly, imagine a shape split into four equal parts with three shaded in. You can also think of it as just a little less than the whole, with one quarter missing.
One common mix-up is treating 75% as 75 items, even when the total number of items is different. Percentages describe a share of the total, so the same percentage can represent very different amounts.