107.14% is the change from 126 to 261
Calculation steps:
[( 261 - 126 ) ÷ 126] x 100 = 107.14%
Formula
Percentage change = [(261 - 126) / 126] x 100
Subtract the new number by the original number
261 - 126 = 135
135 ÷ 126 = 1.0714285714285714
1.0714285714285714 x 100 = 107.14%