-85.39% is the change from 917 to 134
Calculation steps:
[( 134 - 917 ) ÷ 917] x 100 = -85.39%
Formula
Percentage change = [(134 - 917) / 917] x 100
Subtract the new number by the original number
134 - 917 = -783
-783 ÷ 917 = -0.8538713195201745
-0.8538713195201745 x 100 = -85.39%