-41.41% is the change from 879 to 515
Calculation steps:
[( 515 - 879 ) ÷ 879] x 100 = -41.41%
Formula
Percentage change = [(515 - 879) / 879] x 100
Subtract the new number by the original number
515 - 879 = -364
-364 ÷ 879 = -0.4141069397042093
-0.4141069397042093 x 100 = -41.41%