-38.17% is the change from 807 to 499
Calculation steps:
[( 499 - 807 ) ÷ 807] x 100 = -38.17%
Formula
Percentage change = [(499 - 807) / 807] x 100
Subtract the new number by the original number
499 - 807 = -308
-308 ÷ 807 = -0.38166047087980176
-0.38166047087980176 x 100 = -38.17%