11.9% is the change from 168 to 188
Calculation steps:
[( 188 - 168 ) ÷ 168] x 100 = 11.9%
Formula
Percentage change = [(188 - 168) / 168] x 100
Subtract the new number by the original number
188 - 168 = 20
20 ÷ 168 = 0.11904761904761904
0.11904761904761904 x 100 = 11.9%