756/900 = 84%
A value like 756/900, or 84%, can show up in everyday life when 756 out of 900 students complete a survey, products pass inspection, or people attend an event. It describes a large majority, but not everyone.
To picture it quickly, imagine a grid of 100 squares with about 84 shaded and 16 left blank. You can also estimate it as a little more than four-fifths, since four-fifths is 80%.
A common point of confusion is treating 84% as nearly the same as 100%. It still leaves 16% unaccounted for, which could be a significant number when the total group is large.