-8.7% is the change from 184 to 168
Calculation steps:
[( 168 - 184 ) ÷ 184] x 100 = -8.7%
Formula
Percentage change = [(168 - 184) / 184] x 100
Subtract the new number by the original number
168 - 184 = -16
-16 ÷ 184 = -0.08695652173913043
-0.08695652173913043 x 100 = -8.7%