-49.03% is the change from 879 to 448
Calculation steps:
[( 448 - 879 ) ÷ 879] x 100 = -49.03%
Formula
Percentage change = [(448 - 879) / 879] x 100
Subtract the new number by the original number
448 - 879 = -431
-431 ÷ 879 = -0.49032992036405004
-0.49032992036405004 x 100 = -49.03%