18.11% is the change from 668 to 789
Calculation steps:
[( 789 - 668 ) ÷ 668] x 100 = 18.11%
Formula
Percentage change = [(789 - 668) / 668] x 100
Subtract the new number by the original number
789 - 668 = 121
121 ÷ 668 = 0.18113772455089822
0.18113772455089822 x 100 = 18.11%