333.06% is the change from 121 to 524
Calculation steps:
[( 524 - 121 ) ÷ 121] x 100 = 333.06%
Formula
Percentage change = [(524 - 121) / 121] x 100
Subtract the new number by the original number
524 - 121 = 403
403 ÷ 121 = 3.330578512396694
3.330578512396694 x 100 = 333.06%