-31.7% is the change from 814 to 556
Calculation steps:
[( 556 - 814 ) ÷ 814] x 100 = -31.7%
Formula
Percentage change = [(556 - 814) / 814] x 100
Subtract the new number by the original number
556 - 814 = -258
-258 ÷ 814 = -0.31695331695331697
-0.31695331695331697 x 100 = -31.7%