12/37 as a percentage is 32.43%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 12/37 is a bit less than one third. When you picture a pizza divided into 37 equal slices, taking 12 of those slices would cover roughly a third of the pizza, which matches the 32.43% value.
People often use the percentage form because it’s easier to compare with other numbers, especially in reports or everyday calculations. The rounded 32.43% is precise enough for most practical purposes without getting into long decimal places.