22.29% is the change from 646 to 790
Calculation steps:
[( 790 - 646 ) ÷ 646] x 100 = 22.29%
Formula
Percentage change = [(790 - 646) / 646] x 100
Subtract the new number by the original number
790 - 646 = 144
144 ÷ 646 = 0.22291021671826625
0.22291021671826625 x 100 = 22.29%