-82.79% is the change from 912 to 157
Calculation steps:
[( 157 - 912 ) ÷ 912] x 100 = -82.79%
Formula
Percentage change = [(157 - 912) / 912] x 100
Subtract the new number by the original number
157 - 912 = -755
-755 ÷ 912 = -0.8278508771929824
-0.8278508771929824 x 100 = -82.79%