16/52 as a percentage is 30.77%. This number tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 16/52 can be reduced to 4/13, which is a simpler way to see the same value. Whether you use 16/52 or 4/13, the size of the part stays the same.
In everyday situations, you might see this percentage on a chart, a discount label, or a test score. Knowing that 30.77% is the equivalent helps you compare it quickly to other percentages.