-36.07% is the change from 671 to 429
Calculation steps:
[( 429 - 671 ) ÷ 671] x 100 = -36.07%
Formula
Percentage change = [(429 - 671) / 671] x 100
Subtract the new number by the original number
429 - 671 = -242
-242 ÷ 671 = -0.36065573770491804
-0.36065573770491804 x 100 = -36.07%