88.24% is the change from 68 to 128
Calculation steps:
[( 128 - 68 ) ÷ 68] x 100 = 88.24%
Formula
Percentage change = [(128 - 68) / 68] x 100
Subtract the new number by the original number
128 - 68 = 60
60 ÷ 68 = 0.8823529411764706
0.8823529411764706 x 100 = 88.24%