-99.89% is the change from 897 to 1
Calculation steps:
[( 1 - 897 ) ÷ 897] x 100 = -99.89%
Formula
Percentage change = [(1 - 897) / 897] x 100
Subtract the new number by the original number
1 - 897 = -896
-896 ÷ 897 = -0.9988851727982163
-0.9988851727982163 x 100 = -99.89%