17.76% is the change from 670 to 789
Calculation steps:
[( 789 - 670 ) ÷ 670] x 100 = 17.76%
Formula
Percentage change = [(789 - 670) / 670] x 100
Subtract the new number by the original number
789 - 670 = 119
119 ÷ 670 = 0.17761194029850746
0.17761194029850746 x 100 = 17.76%