The fraction 14/43 expressed as a percentage is 32.56%. This tells you how much of a whole the fraction represents when you look at it in percent form.
A percentage like this is handy when you need to compare parts of different totals. For example, if you earned 14 points out of a possible 43 on a quiz, you scored about a third of the total points.
In everyday situations, percentages make it easier to see how big or small a fraction is. Seeing 32.56% instantly shows that the amount is less than half of the whole.
If you work with other fractions, you can think of them in the same way: turn them into a percent and you get a quick visual sense of size without doing long calculations.