Query To check Table Growth.

SELECT ds.tablespace_name
,ds.segment_name
,dobj.object_type
,ROUND(SUM(dhss.space_used_delta) / 1024 / 1024 /1024 ,2) "Growth (GB)"
FROM dba_hist_snapshot snpshot
,dba_hist_seg_stat dhss
,dba_objects dobj
,dba_segments ds
WHERE begin_interval_time > TRUNC(SYSDATE)-360
AND snpshot.snap_id = dhss.snap_id
AND dobj.object_id = dhss.obj#
AND dobj.owner = ds.owner
AND dobj.object_name = ds.segment_name
AND ds.owner ='&owner' AND ds.SEGMENT_NAME IN ('&table_name') AND dobj.object_type='TABLE'
GROUP BY ds.tablespace_name,ds.segment_name,dobj.object_type

ORDER BY 3 ASC;