550% is the change from 124 to 806
Calculation steps:
[( 806 - 124 ) ÷ 124] x 100 = 550%
Formula
Percentage change = [(806 - 124) / 124] x 100
Subtract the new number by the original number
806 - 124 = 682
682 ÷ 124 = 5.5
5.5 x 100 = 550%
Example