如何使单元格的数字自动变成负数

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select * from tbl_Articles WHERE ArticleID=2435803 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2435803 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2435803 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1066106,1112776,1074851,1104434,1080235,1083618,1072747,1100799,1106360,1077960,1097667,1107062,1102320,1067315,1083208,1096817,1089742,1095960,1077667,1102470,1055824,1074298,3027046,1049576,1062078,1077496,1067910,1076936,1057383,1057064) ORDER BY field (ArticleID,1066106,1112776,1074851,1104434,1080235,1083618,1072747,1100799,1106360,1077960,1097667,1107062,1102320,1067315,1083208,1096817,1089742,1095960,1077667,1102470,1055824,1074298,3027046,1049576,1062078,1077496,1067910,1076936,1057383,1057064)