-57.07% is the change from 396 to 170
Calculation steps:
[( 170 - 396 ) ÷ 396] x 100 = -57.07%
Formula
Percentage change = [(170 - 396) / 396] x 100
Subtract the new number by the original number
170 - 396 = -226
-226 ÷ 396 = -0.5707070707070707
-0.5707070707070707 x 100 = -57.07%