How to write this SQL to DAX

I am new in using Power Bi

I want to know how can I convert this SQL to DAX

SELECT DATENAME( MONTH,(createdon)) AS [Date],
              Sum(CASE 
                    WHEN statecode = 1 THEN 1 
                    ELSE 0 
                  END) AS [#OppWon], 
              Sum(CASE 
                    WHEN statecode = 2 THEN 1 
                    ELSE 0 
                  END) AS [#OppLost], 
              Sum(CASE 
                    WHEN statecode != 0 THEN 1 
                    ELSE 0 
                  END) AS [#TotalOpps],

			 [winrate]= ([oppwon]/[#totalopps])*100
		      		   
       FROM   mytable 
       GROUP BY  DATENAME( MONTH,(createdon))

.