-14.18% is the change from 557 to 478
Calculation steps:
[( 478 - 557 ) ÷ 557] x 100 = -14.18%
Formula
Percentage change = [(478 - 557) / 557] x 100
Subtract the new number by the original number
478 - 557 = -79
-79 ÷ 557 = -0.14183123877917414
-0.14183123877917414 x 100 = -14.18%