13.86% is the change from 166 to 189
Calculation steps:
[( 189 - 166 ) ÷ 166] x 100 = 13.86%
Formula
Percentage change = [(189 - 166) / 166] x 100
Subtract the new number by the original number
189 - 166 = 23
23 ÷ 166 = 0.13855421686746988
0.13855421686746988 x 100 = 13.86%