-3.8% is the change from 579 to 557
Calculation steps:
[( 557 - 579 ) ÷ 579] x 100 = -3.8%
Formula
Percentage change = [(557 - 579) / 579] x 100
Subtract the new number by the original number
557 - 579 = -22
-22 ÷ 579 = -0.037996545768566495
-0.037996545768566495 x 100 = -3.8%