303.43% is the change from 204 to 823
Calculation steps:
[( 823 - 204 ) ÷ 204] x 100 = 303.43%
Formula
Percentage change = [(823 - 204) / 204] x 100
Subtract the new number by the original number
823 - 204 = 619
619 ÷ 204 = 3.034313725490196
3.034313725490196 x 100 = 303.43%