21.48% is the change from 149 to 181
Calculation steps:
[( 181 - 149 ) ÷ 149] x 100 = 21.48%
Formula
Percentage change = [(181 - 149) / 149] x 100
Subtract the new number by the original number
181 - 149 = 32
32 ÷ 149 = 0.21476510067114093
0.21476510067114093 x 100 = 21.48%