20.61% is the change from 131 to 158
Calculation steps:
[( 158 - 131 ) ÷ 131] x 100 = 20.61%
Formula
Percentage change = [(158 - 131) / 131] x 100
Subtract the new number by the original number
158 - 131 = 27
27 ÷ 131 = 0.20610687022900764
0.20610687022900764 x 100 = 20.61%