-48.92% is the change from 879 to 449
Calculation steps:
[( 449 - 879 ) ÷ 879] x 100 = -48.92%
Formula
Percentage change = [(449 - 879) / 879] x 100
Subtract the new number by the original number
449 - 879 = -430
-430 ÷ 879 = -0.4891922639362912
-0.4891922639362912 x 100 = -48.92%