2.44% is the change from 818 to 838
Calculation steps:
[( 838 - 818 ) ÷ 818] x 100 = 2.44%
Formula
Percentage change = [(838 - 818) / 818] x 100
Subtract the new number by the original number
838 - 818 = 20
20 ÷ 818 = 0.02444987775061125
0.02444987775061125 x 100 = 2.44%