-39.02% is the change from 879 to 536
Calculation steps:
[( 536 - 879 ) ÷ 879] x 100 = -39.02%
Formula
Percentage change = [(536 - 879) / 879] x 100
Subtract the new number by the original number
536 - 879 = -343
-343 ÷ 879 = -0.3902161547212742
-0.3902161547212742 x 100 = -39.02%