-81.72% is the change from 897 to 164
Calculation steps:
[( 164 - 897 ) ÷ 897] x 100 = -81.72%
Formula
Percentage change = [(164 - 897) / 897] x 100
Subtract the new number by the original number
164 - 897 = -733
-733 ÷ 897 = -0.8171683389074693
-0.8171683389074693 x 100 = -81.72%