-28.31% is the change from 657 to 471
Calculation steps:
[( 471 - 657 ) ÷ 657] x 100 = -28.31%
Formula
Percentage change = [(471 - 657) / 657] x 100
Subtract the new number by the original number
471 - 657 = -186
-186 ÷ 657 = -0.2831050228310502
-0.2831050228310502 x 100 = -28.31%