-38.34% is the change from 806 to 497
Calculation steps:
[( 497 - 806 ) ÷ 806] x 100 = -38.34%
Formula
Percentage change = [(497 - 806) / 806] x 100
Subtract the new number by the original number
497 - 806 = -309
-309 ÷ 806 = -0.38337468982630274
-0.38337468982630274 x 100 = -38.34%