-46.6% is the change from 839 to 448
Calculation steps:
[( 448 - 839 ) ÷ 839] x 100 = -46.6%
Formula
Percentage change = [(448 - 839) / 839] x 100
Subtract the new number by the original number
448 - 839 = -391
-391 ÷ 839 = -0.466030989272944
-0.466030989272944 x 100 = -46.6%