-31.1% is the change from 897 to 618
Calculation steps:
[( 618 - 897 ) ÷ 897] x 100 = -31.1%
Formula
Percentage change = [(618 - 897) / 897] x 100
Subtract the new number by the original number
618 - 897 = -279
-279 ÷ 897 = -0.3110367892976589
-0.3110367892976589 x 100 = -31.1%