-98.66% is the change from 897 to 12
Calculation steps:
[( 12 - 897 ) ÷ 897] x 100 = -98.66%
Formula
Percentage change = [(12 - 897) / 897] x 100
Subtract the new number by the original number
12 - 897 = -885
-885 ÷ 897 = -0.9866220735785953
-0.9866220735785953 x 100 = -98.66%