159.52% is the change from 42 to 109
Calculation steps:
[( 109 - 42 ) ÷ 42] x 100 = 159.52%
Formula
Percentage change = [(109 - 42) / 42] x 100
Subtract the new number by the original number
109 - 42 = 67
67 ÷ 42 = 1.5952380952380953
1.5952380952380953 x 100 = 159.52%