126.09% is the change from 115 to 260
Calculation steps:
[( 260 - 115 ) ÷ 115] x 100 = 126.09%
Formula
Percentage change = [(260 - 115) / 115] x 100
Subtract the new number by the original number
260 - 115 = 145
145 ÷ 115 = 1.2608695652173914
1.2608695652173914 x 100 = 126.09%