-80.68% is the change from 885 to 171
Calculation steps:
[( 171 - 885 ) ÷ 885] x 100 = -80.68%
Formula
Percentage change = [(171 - 885) / 885] x 100
Subtract the new number by the original number
171 - 885 = -714
-714 ÷ 885 = -0.8067796610169492
-0.8067796610169492 x 100 = -80.68%