-47.24% is the change from 671 to 354
Calculation steps:
[( 354 - 671 ) ÷ 671] x 100 = -47.24%
Formula
Percentage change = [(354 - 671) / 671] x 100
Subtract the new number by the original number
354 - 671 = -317
-317 ÷ 671 = -0.47242921013412814
-0.47242921013412814 x 100 = -47.24%