278.57% is the change from 42 to 159
Calculation steps:
[( 159 - 42 ) ÷ 42] x 100 = 278.57%
Formula
Percentage change = [(159 - 42) / 42] x 100
Subtract the new number by the original number
159 - 42 = 117
117 ÷ 42 = 2.7857142857142856
2.7857142857142856 x 100 = 278.57%