47.17% is the change from 159 to 234
Calculation steps:
[( 234 - 159 ) ÷ 159] x 100 = 47.17%
Formula
Percentage change = [(234 - 159) / 159] x 100
Subtract the new number by the original number
234 - 159 = 75
75 ÷ 159 = 0.4716981132075472
0.4716981132075472 x 100 = 47.17%