37/91 as a percentage is 40.66%. This number tells you how much of a whole 37 parts out of 91 represent, expressed in a way that's easy to compare with other values.
The fraction 37/91 can be thought of as 37 pieces taken from a set of 91 equal pieces. When you look at it as a percent, you see that it’s just a little more than two‑fifths of the whole.
In everyday situations, saying 40.66% is clearer than writing the fraction. For example, if you scored 37 out of 91 points on a test, you earned about forty‑point‑six‑six percent of the total possible points.
Remember that rounding the percentage to two decimal places makes it easier to read while still keeping it accurate enough for most practical uses.