-43.15% is the change from 978 to 556
Calculation steps:
[( 556 - 978 ) ÷ 978] x 100 = -43.15%
Formula
Percentage change = [(556 - 978) / 978] x 100
Subtract the new number by the original number
556 - 978 = -422
-422 ÷ 978 = -0.43149284253578735
-0.43149284253578735 x 100 = -43.15%