18.09% is the change from 669 to 790
Calculation steps:
[( 790 - 669 ) ÷ 669] x 100 = 18.09%
Formula
Percentage change = [(790 - 669) / 669] x 100
Subtract the new number by the original number
790 - 669 = 121
121 ÷ 669 = 0.18086696562032886
0.18086696562032886 x 100 = 18.09%