-37.56% is the change from 671 to 419
Calculation steps:
[( 419 - 671 ) ÷ 671] x 100 = -37.56%
Formula
Percentage change = [(419 - 671) / 671] x 100
Subtract the new number by the original number
419 - 671 = -252
-252 ÷ 671 = -0.37555886736214605
-0.37555886736214605 x 100 = -37.56%