-40.17% is the change from 829 to 496
Calculation steps:
[( 496 - 829 ) ÷ 829] x 100 = -40.17%
Formula
Percentage change = [(496 - 829) / 829] x 100
Subtract the new number by the original number
496 - 829 = -333
-333 ÷ 829 = -0.4016887816646562
-0.4016887816646562 x 100 = -40.17%