Chapter 2.10, Problem 23P

Find the percent change. Round to the nearest percent.

$315.99 to $499.89

To determine

To find: percentage change and then round the result to the nearest percentage.

Answer to Problem 23P

Percentage change is $58$ %

Explanation of Solution

Given information: value changes from $315.99 to $499.89

Consider Old value $315.99 and new value $499.89.

Apply the percentage change formula,

  $\begin{array}{l}\%change=\frac{\text{Old}\text{value}-\text{New}\text{Value}}{\text{Old}\text{value}}\times 100\\ =\frac{315.99-499.89}{315.99}\times 100\\ =-\frac{183.9}{315.99}\times 100\\ \approx -58.20\end{array}$ S

Therefore the negative sign show that increasing nature, and after round to nearest number the percentage is $58$ % increasing.