-31.02% is the change from 806 to 556
Calculation steps:
[( 556 - 806 ) ÷ 806] x 100 = -31.02%
Formula
Percentage change = [(556 - 806) / 806] x 100
Subtract the new number by the original number
556 - 806 = -250
-250 ÷ 806 = -0.31017369727047145
-0.31017369727047145 x 100 = -31.02%