12.58% is the change from 159 to 179
Calculation steps:
[( 179 - 159 ) ÷ 159] x 100 = 12.58%
Formula
Percentage change = [(179 - 159) / 159] x 100
Subtract the new number by the original number
179 - 159 = 20
20 ÷ 159 = 0.12578616352201258
0.12578616352201258 x 100 = 12.58%