468.6% is the change from 121 to 688
Calculation steps:
[( 688 - 121 ) ÷ 121] x 100 = 468.6%
Formula
Percentage change = [(688 - 121) / 121] x 100
Subtract the new number by the original number
688 - 121 = 567
567 ÷ 121 = 4.68595041322314
4.68595041322314 x 100 = 468.6%