-33.49% is the change from 878 to 584
Calculation steps:
[( 584 - 878 ) ÷ 878] x 100 = -33.49%
Formula
Percentage change = [(584 - 878) / 878] x 100
Subtract the new number by the original number
584 - 878 = -294
-294 ÷ 878 = -0.3348519362186788
-0.3348519362186788 x 100 = -33.49%