-46.11% is the change from 835 to 450
Calculation steps:
[( 450 - 835 ) ÷ 835] x 100 = -46.11%
Formula
Percentage change = [(450 - 835) / 835] x 100
Subtract the new number by the original number
450 - 835 = -385
-385 ÷ 835 = -0.46107784431137727
-0.46107784431137727 x 100 = -46.11%