-3.42% is the change from 818 to 790
Calculation steps:
[( 790 - 818 ) ÷ 818] x 100 = -3.42%
Formula
Percentage change = [(790 - 818) / 818] x 100
Subtract the new number by the original number
790 - 818 = -28
-28 ÷ 818 = -0.034229828850855744
-0.034229828850855744 x 100 = -3.42%