-44.82% is the change from 830 to 458
Calculation steps:
[( 458 - 830 ) ÷ 830] x 100 = -44.82%
Formula
Percentage change = [(458 - 830) / 830] x 100
Subtract the new number by the original number
458 - 830 = -372
-372 ÷ 830 = -0.44819277108433736
-0.44819277108433736 x 100 = -44.82%