22.06% is the change from 68 to 83
Calculation steps:
[( 83 - 68 ) ÷ 68] x 100 = 22.06%
Formula
Percentage change = [(83 - 68) / 68] x 100
Subtract the new number by the original number
83 - 68 = 15
15 ÷ 68 = 0.22058823529411764
0.22058823529411764 x 100 = 22.06%