-29.66% is the change from 671 to 472
Calculation steps:
[( 472 - 671 ) ÷ 671] x 100 = -29.66%
Formula
Percentage change = [(472 - 671) / 671] x 100
Subtract the new number by the original number
472 - 671 = -199
-199 ÷ 671 = -0.2965722801788376
-0.2965722801788376 x 100 = -29.66%