-80.82% is the change from 897 to 172
Calculation steps:
[( 172 - 897 ) ÷ 897] x 100 = -80.82%
Formula
Percentage change = [(172 - 897) / 897] x 100
Subtract the new number by the original number
172 - 897 = -725
-725 ÷ 897 = -0.8082497212931996
-0.8082497212931996 x 100 = -80.82%