-80.94% is the change from 897 to 171
Calculation steps:
[( 171 - 897 ) ÷ 897] x 100 = -80.94%
Formula
Percentage change = [(171 - 897) / 897] x 100
Subtract the new number by the original number
171 - 897 = -726
-726 ÷ 897 = -0.8093645484949833
-0.8093645484949833 x 100 = -80.94%