-85.09% is the change from 912 to 136
Calculation steps:
[( 136 - 912 ) ÷ 912] x 100 = -85.09%
Formula
Percentage change = [(136 - 912) / 912] x 100
Subtract the new number by the original number
136 - 912 = -776
-776 ÷ 912 = -0.8508771929824561
-0.8508771929824561 x 100 = -85.09%