-33.23% is the change from 671 to 448
Calculation steps:
[( 448 - 671 ) ÷ 671] x 100 = -33.23%
Formula
Percentage change = [(448 - 671) / 671] x 100
Subtract the new number by the original number
448 - 671 = -223
-223 ÷ 671 = -0.3323397913561848
-0.3323397913561848 x 100 = -33.23%