567.48% is the change from 123 to 821
Calculation steps:
[( 821 - 123 ) ÷ 123] x 100 = 567.48%
Formula
Percentage change = [(821 - 123) / 123] x 100
Subtract the new number by the original number
821 - 123 = 698
698 ÷ 123 = 5.67479674796748
5.67479674796748 x 100 = 567.48%