15.53% is the change from 161 to 186
Calculation steps:
[( 186 - 161 ) ÷ 161] x 100 = 15.53%
Formula
Percentage change = [(186 - 161) / 161] x 100
Subtract the new number by the original number
186 - 161 = 25
25 ÷ 161 = 0.15527950310559005
0.15527950310559005 x 100 = 15.53%