-46.09% is the change from 831 to 448
Calculation steps:
[( 448 - 831 ) ÷ 831] x 100 = -46.09%
Formula
Percentage change = [(448 - 831) / 831] x 100
Subtract the new number by the original number
448 - 831 = -383
-383 ÷ 831 = -0.4608904933814681
-0.4608904933814681 x 100 = -46.09%