3.87% is the change from 181 to 188
Calculation steps:
[( 188 - 181 ) ÷ 181] x 100 = 3.87%
Formula
Percentage change = [(188 - 181) / 181] x 100
Subtract the new number by the original number
188 - 181 = 7
7 ÷ 181 = 0.03867403314917127
0.03867403314917127 x 100 = 3.87%