-3.81% is the change from 578 to 556
Calculation steps:
[( 556 - 578 ) ÷ 578] x 100 = -3.81%
Formula
Percentage change = [(556 - 578) / 578] x 100
Subtract the new number by the original number
556 - 578 = -22
-22 ÷ 578 = -0.03806228373702422
-0.03806228373702422 x 100 = -3.81%