138.26% is the change from 115 to 274
Calculation steps:
[( 274 - 115 ) ÷ 115] x 100 = 138.26%
Formula
Percentage change = [(274 - 115) / 115] x 100
Subtract the new number by the original number
274 - 115 = 159
159 ÷ 115 = 1.382608695652174
1.382608695652174 x 100 = 138.26%