-77.93% is the change from 897 to 198
Calculation steps:
[( 198 - 897 ) ÷ 897] x 100 = -77.93%
Formula
Percentage change = [(198 - 897) / 897] x 100
Subtract the new number by the original number
198 - 897 = -699
-699 ÷ 897 = -0.7792642140468228
-0.7792642140468228 x 100 = -77.93%