-42.73% is the change from 557 to 319
Calculation steps:
[( 319 - 557 ) ÷ 557] x 100 = -42.73%
Formula
Percentage change = [(319 - 557) / 557] x 100
Subtract the new number by the original number
319 - 557 = -238
-238 ÷ 557 = -0.4272890484739677
-0.4272890484739677 x 100 = -42.73%