-30.44% is the change from 657 to 457
Calculation steps:
[( 457 - 657 ) ÷ 657] x 100 = -30.44%
Formula
Percentage change = [(457 - 657) / 657] x 100
Subtract the new number by the original number
457 - 657 = -200
-200 ÷ 657 = -0.30441400304414
-0.30441400304414 x 100 = -30.44%