-79.57% is the change from 832 to 170
Calculation steps:
[( 170 - 832 ) ÷ 832] x 100 = -79.57%
Formula
Percentage change = [(170 - 832) / 832] x 100
Subtract the new number by the original number
170 - 832 = -662
-662 ÷ 832 = -0.7956730769230769
-0.7956730769230769 x 100 = -79.57%