Get the Percentage of backup, restore & etc..

Using below query you will fine the percentage of backup, restore, etc..

use master

go

SELECT    r.session_id [Session Id],

  r.command [Command],

  CONVERT(NUMERIC(6,2),r.percent_complete) AS [Percent Complete],

  CONVERT(VARCHAR(20),DATEADD(ms,r.estimated_completion_time,GetDate()),20) AS [ETA Completion Time],

  CONVERT(NUMERIC(10,2),r.total_elapsed_time/1000.0/60.0) AS [Elapsed Min],

  CONVERT(NUMERIC(10,2),r.estimated_completion_time/1000.0) AS [ETA Sec],

  CONVERT(NUMERIC(10,2),r.estimated_completion_time/1000.0/60.0) AS [ETA Min],

  CONVERT(NUMERIC(10,2),r.estimated_completion_time/1000.0/60.0/60.0) AS [ETA Hours],

  CONVERT(VARCHAR(1000),(

  SELECT SUBSTRING(text,r.statement_start_offset/2,

   CASE

    WHEN r.statement_end_offset = -1 THEN 1000

    ELSE (r.statement_end_offset-r.statement_start_offset)/2

   END

  ) FROM sys.dm_exec_sql_text(sql_handle))) AS [SQL]

FROM sys.dm_exec_requests r

WHERE r.session_id > 50

and r.session_id <> @@SPID

AND command IN ('RESTORE DATABASE','BACKUP DATABASE','RESTORE LOG','BACKUP LOG')