304.5% is the change from 200 to 809
Calculation steps:
[( 809 - 200 ) ÷ 200] x 100 = 304.5%
Formula
Percentage change = [(809 - 200) / 200] x 100
Subtract the new number by the original number
809 - 200 = 609
609 ÷ 200 = 3.045
3.045 x 100 = 304.5%
Example