17.65% is the change from 68 to 80
Calculation steps:
[( 80 - 68 ) ÷ 68] x 100 = 17.65%
Formula
Percentage change = [(80 - 68) / 68] x 100
Subtract the new number by the original number
80 - 68 = 12
12 ÷ 68 = 0.17647058823529413
0.17647058823529413 x 100 = 17.65%