-31.21% is the change from 878 to 604
Calculation steps:
[( 604 - 878 ) ÷ 878] x 100 = -31.21%
Formula
Percentage change = [(604 - 878) / 878] x 100
Subtract the new number by the original number
604 - 878 = -274
-274 ÷ 878 = -0.3120728929384966
-0.3120728929384966 x 100 = -31.21%