311.84% is the change from 228 to 939
Calculation steps:
[( 939 - 228 ) ÷ 228] x 100 = 311.84%
Formula
Percentage change = [(939 - 228) / 228] x 100
Subtract the new number by the original number
939 - 228 = 711
711 ÷ 228 = 3.1184210526315788
3.1184210526315788 x 100 = 311.84%