4.01% is the change from 798 to 830
Calculation steps:
[( 830 - 798 ) ÷ 798] x 100 = 4.01%
Formula
Percentage change = [(830 - 798) / 798] x 100
Subtract the new number by the original number
830 - 798 = 32
32 ÷ 798 = 0.040100250626566414
0.040100250626566414 x 100 = 4.01%