8.67% is the change from 173 to 188
Calculation steps:
[( 188 - 173 ) ÷ 173] x 100 = 8.67%
Formula
Percentage change = [(188 - 173) / 173] x 100
Subtract the new number by the original number
188 - 173 = 15
15 ÷ 173 = 0.08670520231213873
0.08670520231213873 x 100 = 8.67%