29.29% is the change from 140 to 181
Calculation steps:
[( 181 - 140 ) ÷ 140] x 100 = 29.29%
Formula
Percentage change = [(181 - 140) / 140] x 100
Subtract the new number by the original number
181 - 140 = 41
41 ÷ 140 = 0.29285714285714287
0.29285714285714287 x 100 = 29.29%