571.2% is the change from 125 to 839
Calculation steps:
[( 839 - 125 ) ÷ 125] x 100 = 571.2%
Formula
Percentage change = [(839 - 125) / 125] x 100
Subtract the new number by the original number
839 - 125 = 714
714 ÷ 125 = 5.712
5.712 x 100 = 571.2%
Example