-54.04% is the change from 879 to 404
Calculation steps:
[( 404 - 879 ) ÷ 879] x 100 = -54.04%
Formula
Percentage change = [(404 - 879) / 879] x 100
Subtract the new number by the original number
404 - 879 = -475
-475 ÷ 879 = -0.540386803185438
-0.540386803185438 x 100 = -54.04%