-31.06% is the change from 805 to 555
Calculation steps:
[( 555 - 805 ) ÷ 805] x 100 = -31.06%
Formula
Percentage change = [(555 - 805) / 805] x 100
Subtract the new number by the original number
555 - 805 = -250
-250 ÷ 805 = -0.3105590062111801
-0.3105590062111801 x 100 = -31.06%