298.03% is the change from 203 to 808
Calculation steps:
[( 808 - 203 ) ÷ 203] x 100 = 298.03%
Formula
Percentage change = [(808 - 203) / 203] x 100
Subtract the new number by the original number
808 - 203 = 605
605 ÷ 203 = 2.980295566502463
2.980295566502463 x 100 = 298.03%