-31.23% is the change from 807 to 555
Calculation steps:
[( 555 - 807 ) ÷ 807] x 100 = -31.23%
Formula
Percentage change = [(555 - 807) / 807] x 100
Subtract the new number by the original number
555 - 807 = -252
-252 ÷ 807 = -0.31226765799256506
-0.31226765799256506 x 100 = -31.23%