98.56% is the change from 418 to 830
Calculation steps:
[( 830 - 418 ) ÷ 418] x 100 = 98.56%
Formula
Percentage change = [(830 - 418) / 418] x 100
Subtract the new number by the original number
830 - 418 = 412
412 ÷ 418 = 0.9856459330143541
0.9856459330143541 x 100 = 98.56%