-6.82% is the change from 557 to 519
Calculation steps:
[( 519 - 557 ) ÷ 557] x 100 = -6.82%
Formula
Percentage change = [(519 - 557) / 557] x 100
Subtract the new number by the original number
519 - 557 = -38
-38 ÷ 557 = -0.06822262118491922
-0.06822262118491922 x 100 = -6.82%