Answer:
7.70642% decrease
Step-by-step explanation:
[tex]\frac{(50.3 - 54.5)}{|54.5|} * 100[/tex]
[tex]= \frac{-4.2}{54.5} * 100[/tex]
[tex]= -0.0770642 * 100[/tex]
= -7.70642% change
= 7.70642% decrease