580.17% is the change from 121 to 823
Calculation steps:
[( 823 - 121 ) ÷ 121] x 100 = 580.17%
Formula
Percentage change = [(823 - 121) / 121] x 100
Subtract the new number by the original number
823 - 121 = 702
702 ÷ 121 = 5.801652892561983
5.801652892561983 x 100 = 580.17%