-30.99% is the change from 897 to 619
Calculation steps:
[( 619 - 897 ) ÷ 897] x 100 = -30.99%
Formula
Percentage change = [(619 - 897) / 897] x 100
Subtract the new number by the original number
619 - 897 = -278
-278 ÷ 897 = -0.30992196209587514
-0.30992196209587514 x 100 = -30.99%