Answer:
a. 15%
b. 60%
Explanation:
Part a.
The absolute change in percentage points can be calculated as
[tex]\text{ Absolute change = Final value - Initial value}[/tex]So, by replacing the final value with 40% and the initial value with 25%, we get
[tex]\text{ Absolute change = 40\%-25\% = 15\%}[/tex]Therefore, the absolute change is 15%
Part b.
The relative change can be calculated as
[tex]\text{ Relative change = }\frac{\text{ Final value - Initial Value}}{\text{ Initial value}}\times100[/tex]Replacing the final value with 40% and the initial value with 25%, we get
[tex]\begin{gathered} \text{ Relative change = }\frac{\text{ 40\% - 25\%}}{\text{ 25\%}}\times100 \\ \\ \text{ Relative change =}\frac{\text{ 15\%}}{\text{ 25\%}}\times100 \\ \\ \text{ Relative change = 0.6}\times100 \\ \text{ Relative change = 60\%} \end{gathered}[/tex]Therefore, the relative change is 60%
