-55.74% is the change from 897 to 397
Calculation steps:
[( 397 - 897 ) ÷ 897] x 100 = -55.74%
Formula
Percentage change = [(397 - 897) / 897] x 100
Subtract the new number by the original number
397 - 897 = -500
-500 ÷ 897 = -0.5574136008918618
-0.5574136008918618 x 100 = -55.74%