542.4% is the change from 125 to 803
Calculation steps:
[( 803 - 125 ) ÷ 125] x 100 = 542.4%
Formula
Percentage change = [(803 - 125) / 125] x 100
Subtract the new number by the original number
803 - 125 = 678
678 ÷ 125 = 5.424
5.424 x 100 = 542.4%
Example