465.29% is the change from 121 to 684
Calculation steps:
[( 684 - 121 ) ÷ 121] x 100 = 465.29%
Formula
Percentage change = [(684 - 121) / 121] x 100
Subtract the new number by the original number
684 - 121 = 563
563 ÷ 121 = 4.652892561983471
4.652892561983471 x 100 = 465.29%