-27.7% is the change from 657 to 475
Calculation steps:
[( 475 - 657 ) ÷ 657] x 100 = -27.7%
Formula
Percentage change = [(475 - 657) / 657] x 100
Subtract the new number by the original number
475 - 657 = -182
-182 ÷ 657 = -0.2770167427701674
-0.2770167427701674 x 100 = -27.7%