242.86% is the change from 42 to 144
Calculation steps:
[( 144 - 42 ) ÷ 42] x 100 = 242.86%
Formula
Percentage change = [(144 - 42) / 42] x 100
Subtract the new number by the original number
144 - 42 = 102
102 ÷ 42 = 2.4285714285714284
2.4285714285714284 x 100 = 242.86%