117.39% is the change from 115 to 250
Calculation steps:
[( 250 - 115 ) ÷ 115] x 100 = 117.39%
Formula
Percentage change = [(250 - 115) / 115] x 100
Subtract the new number by the original number
250 - 115 = 135
135 ÷ 115 = 1.173913043478261
1.173913043478261 x 100 = 117.39%