315.87% is the change from 126 to 524
Calculation steps:
[( 524 - 126 ) ÷ 126] x 100 = 315.87%
Formula
Percentage change = [(524 - 126) / 126] x 100
Subtract the new number by the original number
524 - 126 = 398
398 ÷ 126 = 3.1587301587301586
3.1587301587301586 x 100 = 315.87%