-82.72% is the change from 897 to 155
Calculation steps:
[( 155 - 897 ) ÷ 897] x 100 = -82.72%
Formula
Percentage change = [(155 - 897) / 897] x 100
Subtract the new number by the original number
155 - 897 = -742
-742 ÷ 897 = -0.8272017837235228
-0.8272017837235228 x 100 = -82.72%