175.75% is the change from 301 to 830
Calculation steps:
[( 830 - 301 ) ÷ 301] x 100 = 175.75%
Formula
Percentage change = [(830 - 301) / 301] x 100
Subtract the new number by the original number
830 - 301 = 529
529 ÷ 301 = 1.7574750830564785
1.7574750830564785 x 100 = 175.75%