33/85 as a percentage is 38.82%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 33/85 can be seen in everyday situations, like when you have 33 out of 85 items and want to understand the share. Seeing it as 38.82% makes it easier to compare with other percentages.
In school work, writing a fraction as a percentage helps when solving word problems that involve parts of a whole. The decimal form (0.3882) is also useful for calculators and spreadsheets.
Remember that the percentage is just another way to express the same value, so whether you use 33/85, 0.3882, or 38.82%, the meaning stays the same.