-29.5% is the change from 878 to 619
Calculation steps:
[( 619 - 878 ) ÷ 878] x 100 = -29.5%
Formula
Percentage change = [(619 - 878) / 878] x 100
Subtract the new number by the original number
619 - 878 = -259
-259 ÷ 878 = -0.2949886104783599
-0.2949886104783599 x 100 = -29.5%