-34.55% is the change from 657 to 430
Calculation steps:
[( 430 - 657 ) ÷ 657] x 100 = -34.55%
Formula
Percentage change = [(430 - 657) / 657] x 100
Subtract the new number by the original number
430 - 657 = -227
-227 ÷ 657 = -0.3455098934550989
-0.3455098934550989 x 100 = -34.55%