254.39% is the change from 228 to 808
Calculation steps:
[( 808 - 228 ) ÷ 228] x 100 = 254.39%
Formula
Percentage change = [(808 - 228) / 228] x 100
Subtract the new number by the original number
808 - 228 = 580
580 ÷ 228 = 2.543859649122807
2.543859649122807 x 100 = 254.39%