316.23% is the change from 228 to 949
Calculation steps:
[( 949 - 228 ) ÷ 228] x 100 = 316.23%
Formula
Percentage change = [(949 - 228) / 228] x 100
Subtract the new number by the original number
949 - 228 = 721
721 ÷ 228 = 3.162280701754386
3.162280701754386 x 100 = 316.23%