-81.58% is the change from 912 to 168
Calculation steps:
[( 168 - 912 ) ÷ 912] x 100 = -81.58%
Formula
Percentage change = [(168 - 912) / 912] x 100
Subtract the new number by the original number
168 - 912 = -744
-744 ÷ 912 = -0.8157894736842105
-0.8157894736842105 x 100 = -81.58%