Answer
It helps us in calculating the percent proportion.
Explanation
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %.
It is a number whose denominator is 100. To get this number we use the formula;
Percentage = [tex]\frac{part of a whole}{whole}[/tex]×100%
So, identifying the part of a whole helps us in calculating the percent proportion.
