-83.88% is the change from 912 to 147
Calculation steps:
[( 147 - 912 ) ÷ 912] x 100 = -83.88%
Formula
Percentage change = [(147 - 912) / 912] x 100
Subtract the new number by the original number
147 - 912 = -765
-765 ÷ 912 = -0.8388157894736842
-0.8388157894736842 x 100 = -83.88%