151.52% is the change from 66 to 166
Calculation steps:
[( 166 - 66 ) ÷ 66] x 100 = 151.52%
Formula
Percentage change = [(166 - 66) / 66] x 100
Subtract the new number by the original number
166 - 66 = 100
100 ÷ 66 = 1.5151515151515151
1.5151515151515151 x 100 = 151.52%