-40.02% is the change from 827 to 496
Calculation steps:
[( 496 - 827 ) ÷ 827] x 100 = -40.02%
Formula
Percentage change = [(496 - 827) / 827] x 100
Subtract the new number by the original number
496 - 827 = -331
-331 ÷ 827 = -0.40024183796856105
-0.40024183796856105 x 100 = -40.02%