334.71% is the change from 121 to 526
Calculation steps:
[( 526 - 121 ) ÷ 121] x 100 = 334.71%
Formula
Percentage change = [(526 - 121) / 121] x 100
Subtract the new number by the original number
526 - 121 = 405
405 ÷ 121 = 3.347107438016529
3.347107438016529 x 100 = 334.71%