总值为负数如何算贡献率

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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(461357,1135133,1186716,3437897,665154,1473640,557708,1032047,1039949,544182,1155772,3411708,2456321,503053,1809175,3311946,1722604,805909,480822,1528531,2559629,1196000,1630977,2092896,408450,881846,1208170,3140146,423429,1125884) ORDER BY field (ArticleID,461357,1135133,1186716,3437897,665154,1473640,557708,1032047,1039949,544182,1155772,3411708,2456321,503053,1809175,3311946,1722604,805909,480822,1528531,2559629,1196000,1630977,2092896,408450,881846,1208170,3140146,423429,1125884)