-29.92% is the change from 879 to 616
Calculation steps:
[( 616 - 879 ) ÷ 879] x 100 = -29.92%
Formula
Percentage change = [(616 - 879) / 879] x 100
Subtract the new number by the original number
616 - 879 = -263
-263 ÷ 879 = -0.2992036405005688
-0.2992036405005688 x 100 = -29.92%