107.58% is the change from 66 to 137
Calculation steps:
[( 137 - 66 ) ÷ 66] x 100 = 107.58%
Formula
Percentage change = [(137 - 66) / 66] x 100
Subtract the new number by the original number
137 - 66 = 71
71 ÷ 66 = 1.0757575757575757
1.0757575757575757 x 100 = 107.58%