38/65 as a percentage is 58.46%. This number tells you how much of a whole the fraction represents when you look at it on a scale of 100.
The fraction 38/65 can also be thought of as a little more than half of something. Since 1/2 equals 50%, the extra 8.46% shows the amount over the simple half.
You might see this kind of conversion in everyday situations, like figuring out a test score, a discount, or a portion of a recipe. Knowing that 38 out of 65 is about 58.46% helps you quickly gauge the size of the part compared to the whole.