-29.51% is the change from 671 to 473
Calculation steps:
[( 473 - 671 ) ÷ 671] x 100 = -29.51%
Formula
Percentage change = [(473 - 671) / 671] x 100
Subtract the new number by the original number
473 - 671 = -198
-198 ÷ 671 = -0.29508196721311475
-0.29508196721311475 x 100 = -29.51%