52.2% is the change from 159 to 242
Calculation steps:
[( 242 - 159 ) ÷ 159] x 100 = 52.2%
Formula
Percentage change = [(242 - 159) / 159] x 100
Subtract the new number by the original number
242 - 159 = 83
83 ÷ 159 = 0.5220125786163522
0.5220125786163522 x 100 = 52.2%