17.91% is the change from 67 to 79
Calculation steps:
[( 79 - 67 ) ÷ 67] x 100 = 17.91%
Formula
Percentage change = [(79 - 67) / 67] x 100
Subtract the new number by the original number
79 - 67 = 12
12 ÷ 67 = 0.1791044776119403
0.1791044776119403 x 100 = 17.91%