-33.83% is the change from 878 to 581
Calculation steps:
[( 581 - 878 ) ÷ 878] x 100 = -33.83%
Formula
Percentage change = [(581 - 878) / 878] x 100
Subtract the new number by the original number
581 - 878 = -297
-297 ÷ 878 = -0.33826879271070615
-0.33826879271070615 x 100 = -33.83%