74.24% is the change from 66 to 115
Calculation steps:
[( 115 - 66 ) ÷ 66] x 100 = 74.24%
Formula
Percentage change = [(115 - 66) / 66] x 100
Subtract the new number by the original number
115 - 66 = 49
49 ÷ 66 = 0.7424242424242424
0.7424242424242424 x 100 = 74.24%