118.26% is the change from 115 to 251
Calculation steps:
[( 251 - 115 ) ÷ 115] x 100 = 118.26%
Formula
Percentage change = [(251 - 115) / 115] x 100
Subtract the new number by the original number
251 - 115 = 136
136 ÷ 115 = 1.182608695652174
1.182608695652174 x 100 = 118.26%