308.33% is the change from 228 to 931
Calculation steps:
[( 931 - 228 ) ÷ 228] x 100 = 308.33%
Formula
Percentage change = [(931 - 228) / 228] x 100
Subtract the new number by the original number
931 - 228 = 703
703 ÷ 228 = 3.0833333333333335
3.0833333333333335 x 100 = 308.33%