-82.68% is the change from 912 to 158
Calculation steps:
[( 158 - 912 ) ÷ 912] x 100 = -82.68%
Formula
Percentage change = [(158 - 912) / 912] x 100
Subtract the new number by the original number
158 - 912 = -754
-754 ÷ 912 = -0.8267543859649122
-0.8267543859649122 x 100 = -82.68%