Answer :
In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data:
initial amount = 280
final amount = 126
Step 02:
percent of change:
[tex]pc\text{ = }\frac{126-280}{280}\cdot100\text{ \%}[/tex]pc = - 55 %
The answer is:
pc = - 55%
(percent decrease)