Percentage Completion for the active sessions

SELECT

A.SESSION_ID,

DB_NAME(A.DATABASE_ID) AS DATABASE_NAME,

A.START_TIME,A.COMMAND,

A.CPU_TIME,

A.PERCENT_COMPLETE,

A.ESTIMATED_COMPLETION_TIME,

B.TEXT

FROM SYS.DM_EXEC_REQUESTS A

CROSS APPLY

SYS.DM_EXEC_SQL_TEXT(A.SQL_HANDLE)AS B

WHERE SESSION_ID > 50