104.55% is the change from 66 to 135
Calculation steps:
[( 135 - 66 ) ÷ 66] x 100 = 104.55%
Formula
Percentage change = [(135 - 66) / 66] x 100
Subtract the new number by the original number
135 - 66 = 69
69 ÷ 66 = 1.0454545454545454
1.0454545454545454 x 100 = 104.55%