How to check database restore percentage

 we can use the below script to check database backup restore percentage details and many more.

use master;

SELECT r.session_id,r.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/1000.0/60.0) 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))) 
FROM sys.dm_exec_requests r WHERE command IN ('RESTORE DATABASE','RESTORE LOG','BACKUP DATABASE', 'BACKUP LOG','DbccSpaceReclaim','DbccFilesCompact')