37/55 as a percentage is 67.27%. This rounded figure tells you that the fraction is a little over two‑thirds of a whole.
You might see 37/55 when looking at scores on a quiz, portions of a recipe, or parts of a budget. In each case, the percentage lets you compare the part to the whole quickly.
Because we round to two decimal places, the number is shown as 67.27% instead of a longer, more precise value. This makes it easier to read and use in everyday situations.