18.26% is the change from 668 to 790
Calculation steps:
[( 790 - 668 ) ÷ 668] x 100 = 18.26%
Formula
Percentage change = [(790 - 668) / 668] x 100
Subtract the new number by the original number
790 - 668 = 122
122 ÷ 668 = 0.18263473053892215
0.18263473053892215 x 100 = 18.26%