29.57% is the change from 115 to 149
Calculation steps:
[( 149 - 115 ) ÷ 115] x 100 = 29.57%
Formula
Percentage change = [(149 - 115) / 115] x 100
Subtract the new number by the original number
149 - 115 = 34
34 ÷ 115 = 0.2956521739130435
0.2956521739130435 x 100 = 29.57%