379.77% is the change from 173 to 830
Calculation steps:
[( 830 - 173 ) ÷ 173] x 100 = 379.77%
Formula
Percentage change = [(830 - 173) / 173] x 100
Subtract the new number by the original number
830 - 173 = 657
657 ÷ 173 = 3.7976878612716765
3.7976878612716765 x 100 = 379.77%