42.77% is the change from 159 to 227
Calculation steps:
[( 227 - 159 ) ÷ 159] x 100 = 42.77%
Formula
Percentage change = [(227 - 159) / 159] x 100
Subtract the new number by the original number
227 - 159 = 68
68 ÷ 159 = 0.4276729559748428
0.4276729559748428 x 100 = 42.77%