-43.21% is the change from 287 to 163
Calculation steps:
[( 163 - 287 ) ÷ 287] x 100 = -43.21%
Formula
Percentage change = [(163 - 287) / 287] x 100
Subtract the new number by the original number
163 - 287 = -124
-124 ÷ 287 = -0.43205574912891986
-0.43205574912891986 x 100 = -43.21%