257.14% is the change from 42 to 150
Calculation steps:
[( 150 - 42 ) ÷ 42] x 100 = 257.14%
Formula
Percentage change = [(150 - 42) / 42] x 100
Subtract the new number by the original number
150 - 42 = 108
108 ÷ 42 = 2.5714285714285716
2.5714285714285716 x 100 = 257.14%