Chapter SH, Problem 2.7.3EP

To determine

Whether the percent of change is a percent of increase or a percent of decrease.

The percent of change.

Answer to Problem 2.7.3EP

Percent of decrease.

  $10.25\%$

Explanation of Solution

Given:

Original = 322 people

New = 289 people

Calculation:

The new value is less than the original; therefore it is a percent of decrease.

The percent of decrease will be:

  $\begin{array}{l}=\frac{322-289}{322}\times 100\\ =\frac{33}{322}\times 100\\ =\frac{3300}{322}\\ =10.25\%\end{array}$