-43.12% is the change from 879 to 500
Calculation steps:
[( 500 - 879 ) ÷ 879] x 100 = -43.12%
Formula
Percentage change = [(500 - 879) / 879] x 100
Subtract the new number by the original number
500 - 879 = -379
-379 ÷ 879 = -0.4311717861205916
-0.4311717861205916 x 100 = -43.12%