2.2% is the change from 818 to 836
Calculation steps:
[( 836 - 818 ) ÷ 818] x 100 = 2.2%
Formula
Percentage change = [(836 - 818) / 818] x 100
Subtract the new number by the original number
836 - 818 = 18
18 ÷ 818 = 0.022004889975550123
0.022004889975550123 x 100 = 2.2%