298.25% is the change from 228 to 908
Calculation steps:
[( 908 - 228 ) ÷ 228] x 100 = 298.25%
Formula
Percentage change = [(908 - 228) / 228] x 100
Subtract the new number by the original number
908 - 228 = 680
680 ÷ 228 = 2.982456140350877
2.982456140350877 x 100 = 298.25%