-48.27% is the change from 866 to 448
Calculation steps:
[( 448 - 866 ) ÷ 866] x 100 = -48.27%
Formula
Percentage change = [(448 - 866) / 866] x 100
Subtract the new number by the original number
448 - 866 = -418
-418 ÷ 866 = -0.48267898383371827
-0.48267898383371827 x 100 = -48.27%