-34.45% is the change from 807 to 529
Calculation steps:
[( 529 - 807 ) ÷ 807] x 100 = -34.45%
Formula
Percentage change = [(529 - 807) / 807] x 100
Subtract the new number by the original number
529 - 807 = -278
-278 ÷ 807 = -0.3444857496902107
-0.3444857496902107 x 100 = -34.45%