-49.82% is the change from 835 to 419
Calculation steps:
[( 419 - 835 ) ÷ 835] x 100 = -49.82%
Formula
Percentage change = [(419 - 835) / 835] x 100
Subtract the new number by the original number
419 - 835 = -416
-416 ÷ 835 = -0.49820359281437127
-0.49820359281437127 x 100 = -49.82%