-82.57% is the change from 912 to 159
Calculation steps:
[( 159 - 912 ) ÷ 912] x 100 = -82.57%
Formula
Percentage change = [(159 - 912) / 912] x 100
Subtract the new number by the original number
159 - 912 = -753
-753 ÷ 912 = -0.8256578947368421
-0.8256578947368421 x 100 = -82.57%