319.2% is the change from 224 to 939
Calculation steps:
[( 939 - 224 ) ÷ 224] x 100 = 319.2%
Formula
Percentage change = [(939 - 224) / 224] x 100
Subtract the new number by the original number
939 - 224 = 715
715 ÷ 224 = 3.1919642857142856
3.1919642857142856 x 100 = 319.2%