-12.39% is the change from 557 to 488
Calculation steps:
[( 488 - 557 ) ÷ 557] x 100 = -12.39%
Formula
Percentage change = [(488 - 557) / 557] x 100
Subtract the new number by the original number
488 - 557 = -69
-69 ÷ 557 = -0.12387791741472172
-0.12387791741472172 x 100 = -12.39%