33.87% is the change from 124 to 166
Calculation steps:
[( 166 - 124 ) ÷ 124] x 100 = 33.87%
Formula
Percentage change = [(166 - 124) / 124] x 100
Subtract the new number by the original number
166 - 124 = 42
42 ÷ 124 = 0.3387096774193548
0.3387096774193548 x 100 = 33.87%