374/1242 = ≈30.11%
Rounded to 2 decimal places.
A value like 374 out of 1,242, or about 30.11%, could describe the share of students who walk or bike to school, customers who choose a certain product, or homes in a neighborhood with solar panels. It shows that the group is a sizable minority, but not close to half.
To picture it quickly, imagine dividing 1,242 people into about ten equal groups. A little more than three of those groups would represent 374 people, so you can estimate the fraction as roughly three-tenths.
One common mistake is treating 30.11% as if it means 30.11 percentage points in every situation. The percentage describes a portion of the specific total of 1,242, so changing the total would change how many people or items that percentage represents.