-81.24% is the change from 906 to 170
Calculation steps:
[( 170 - 906 ) ÷ 906] x 100 = -81.24%
Formula
Percentage change = [(170 - 906) / 906] x 100
Subtract the new number by the original number
170 - 906 = -736
-736 ÷ 906 = -0.8123620309050773
-0.8123620309050773 x 100 = -81.24%