-80.16% is the change from 867 to 172
Calculation steps:
[( 172 - 867 ) ÷ 867] x 100 = -80.16%
Formula
Percentage change = [(172 - 867) / 867] x 100
Subtract the new number by the original number
172 - 867 = -695
-695 ÷ 867 = -0.8016147635524798
-0.8016147635524798 x 100 = -80.16%