The problem is wanting the percent difference. To get the difference, subtract 68 from 125.80
125.80 - 68 = 57.8
Now get the average of 125.80 and 68
(125.80 + 68) / 2 = 96.9
Now we can get the percent difference by dividing 96.9 by 57.8
57.8 / 96.9 = .596 = 60% difference.