149.25% is the change from 333 to 830
Calculation steps:
[( 830 - 333 ) ÷ 333] x 100 = 149.25%
Formula
Percentage change = [(830 - 333) / 333] x 100
Subtract the new number by the original number
830 - 333 = 497
497 ÷ 333 = 1.4924924924924925
1.4924924924924925 x 100 = 149.25%