-38.23% is the change from 879 to 543
Calculation steps:
[( 543 - 879 ) ÷ 879] x 100 = -38.23%
Formula
Percentage change = [(543 - 879) / 879] x 100
Subtract the new number by the original number
543 - 879 = -336
-336 ÷ 879 = -0.3822525597269625
-0.3822525597269625 x 100 = -38.23%