304.9% is the change from 204 to 826
Calculation steps:
[( 826 - 204 ) ÷ 204] x 100 = 304.9%
Formula
Percentage change = [(826 - 204) / 204] x 100
Subtract the new number by the original number
826 - 204 = 622
622 ÷ 204 = 3.049019607843137
3.049019607843137 x 100 = 304.9%