399.17% is the change from 121 to 604
Calculation steps:
[( 604 - 121 ) ÷ 121] x 100 = 399.17%
Formula
Percentage change = [(604 - 121) / 121] x 100
Subtract the new number by the original number
604 - 121 = 483
483 ÷ 121 = 3.9917355371900825
3.9917355371900825 x 100 = 399.17%