59.09% is the change from 66 to 105
Calculation steps:
[( 105 - 66 ) ÷ 66] x 100 = 59.09%
Formula
Percentage change = [(105 - 66) / 66] x 100
Subtract the new number by the original number
105 - 66 = 39
39 ÷ 66 = 0.5909090909090909
0.5909090909090909 x 100 = 59.09%