337.72% is the change from 228 to 998
Calculation steps:
[( 998 - 228 ) ÷ 228] x 100 = 337.72%
Formula
Percentage change = [(998 - 228) / 228] x 100
Subtract the new number by the original number
998 - 228 = 770
770 ÷ 228 = 3.3771929824561404
3.3771929824561404 x 100 = 337.72%