-44.9% is the change from 813 to 448
Calculation steps:
[( 448 - 813 ) ÷ 813] x 100 = -44.9%
Formula
Percentage change = [(448 - 813) / 813] x 100
Subtract the new number by the original number
448 - 813 = -365
-365 ÷ 813 = -0.4489544895448955
-0.4489544895448955 x 100 = -44.9%