-9.52% is the change from 557 to 504
Calculation steps:
[( 504 - 557 ) ÷ 557] x 100 = -9.52%
Formula
Percentage change = [(504 - 557) / 557] x 100
Subtract the new number by the original number
504 - 557 = -53
-53 ÷ 557 = -0.09515260323159784
-0.09515260323159784 x 100 = -9.52%