DBCC DBReindex(TableName, '', 90)
Or
ALTER INDEX ALL ON TableName REBUILD WITH
(FILLFACTOR = 90, SORT_IN_TEMPDB = ON, STATISTICS_NORECOMPUTE = OFF, ONLINE = OFF);
(FILLFACTOR = 90, SORT_IN_TEMPDB = ON, STATISTICS_NORECOMPUTE = OFF, ONLINE = OFF);
90 Refers to page density 90%, 10% is reserved for update.
Show Index result by
DBCC SHOWCONTIG