30.71% is the change from 127 to 166
Calculation steps:
[( 166 - 127 ) ÷ 127] x 100 = 30.71%
Formula
Percentage change = [(166 - 127) / 127] x 100
Subtract the new number by the original number
166 - 127 = 39
39 ÷ 127 = 0.30708661417322836
0.30708661417322836 x 100 = 30.71%