18.51% is the change from 670 to 794
Calculation steps:
[( 794 - 670 ) ÷ 670] x 100 = 18.51%
Formula
Percentage change = [(794 - 670) / 670] x 100
Subtract the new number by the original number
794 - 670 = 124
124 ÷ 670 = 0.18507462686567164
0.18507462686567164 x 100 = 18.51%