260.8% is the change from 125 to 451
Calculation steps:
[( 451 - 125 ) ÷ 125] x 100 = 260.8%
Formula
Percentage change = [(451 - 125) / 125] x 100
Subtract the new number by the original number
451 - 125 = 326
326 ÷ 125 = 2.608
2.608 x 100 = 260.8%
Example