18.81% is the change from 670 to 796
Calculation steps:
[( 796 - 670 ) ÷ 670] x 100 = 18.81%
Formula
Percentage change = [(796 - 670) / 670] x 100
Subtract the new number by the original number
796 - 670 = 126
126 ÷ 670 = 0.1880597014925373
0.1880597014925373 x 100 = 18.81%