442.48% is the change from 153 to 830
Calculation steps:
[( 830 - 153 ) ÷ 153] x 100 = 442.48%
Formula
Percentage change = [(830 - 153) / 153] x 100
Subtract the new number by the original number
830 - 153 = 677
677 ÷ 153 = 4.42483660130719
4.42483660130719 x 100 = 442.48%