-46.92% is the change from 829 to 440
Calculation steps:
[( 440 - 829 ) ÷ 829] x 100 = -46.92%
Formula
Percentage change = [(440 - 829) / 829] x 100
Subtract the new number by the original number
440 - 829 = -389
-389 ÷ 829 = -0.4692400482509047
-0.4692400482509047 x 100 = -46.92%