1.47% is the change from 818 to 830
Calculation steps:
[( 830 - 818 ) ÷ 818] x 100 = 1.47%
Formula
Percentage change = [(830 - 818) / 818] x 100
Subtract the new number by the original number
830 - 818 = 12
12 ÷ 818 = 0.014669926650366748
0.014669926650366748 x 100 = 1.47%