49/100 = 49%
A value like 49% might show up in a poll where almost half of the people choose one answer, or in a report about how much of a class passed a test. It can also describe how full a phone battery is.
To picture it quickly, imagine 100 small squares with 49 shaded. That is just one square short of half the grid, so 49% is a little less than half.
A common mistake is treating 49% as exactly half. Half is 50%, so 49% is close, but it is still slightly less.