131.3% is the change from 115 to 266
Calculation steps:
[( 266 - 115 ) ÷ 115] x 100 = 131.3%
Formula
Percentage change = [(266 - 115) / 115] x 100
Subtract the new number by the original number
266 - 115 = 151
151 ÷ 115 = 1.3130434782608695
1.3130434782608695 x 100 = 131.3%