17.94% is the change from 669 to 789
Calculation steps:
[( 789 - 669 ) ÷ 669] x 100 = 17.94%
Formula
Percentage change = [(789 - 669) / 669] x 100
Subtract the new number by the original number
789 - 669 = 120
120 ÷ 669 = 0.17937219730941703
0.17937219730941703 x 100 = 17.94%