33.91% is the change from 115 to 154
Calculation steps:
[( 154 - 115 ) ÷ 115] x 100 = 33.91%
Formula
Percentage change = [(154 - 115) / 115] x 100
Subtract the new number by the original number
154 - 115 = 39
39 ÷ 115 = 0.3391304347826087
0.3391304347826087 x 100 = 33.91%