-21.8% is the change from 711 to 556
Calculation steps:
[( 556 - 711 ) ÷ 711] x 100 = -21.8%
Formula
Percentage change = [(556 - 711) / 711] x 100
Subtract the new number by the original number
556 - 711 = -155
-155 ÷ 711 = -0.2180028129395218
-0.2180028129395218 x 100 = -21.8%