-48.01% is the change from 879 to 457
Calculation steps:
[( 457 - 879 ) ÷ 879] x 100 = -48.01%
Formula
Percentage change = [(457 - 879) / 879] x 100
Subtract the new number by the original number
457 - 879 = -422
-422 ÷ 879 = -0.4800910125142207
-0.4800910125142207 x 100 = -48.01%