547.2% is the change from 125 to 809
Calculation steps:
[( 809 - 125 ) ÷ 125] x 100 = 547.2%
Formula
Percentage change = [(809 - 125) / 125] x 100
Subtract the new number by the original number
809 - 125 = 684
684 ÷ 125 = 5.472
5.472 x 100 = 547.2%
Example