下浮率百分比怎么计算

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select * from tbl_Articles WHERE ArticleID=391587 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=391587 LIMIT 0,1
select * from tbl_Articles_sphinx where id=391587 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1132075,1119201,1133171,1128737,1095458,1117393,1060974,1117528,1117305,1108900,1126234,1121060,1103688,1110379,1066910,1059861,1125197,1142302,1124344,1056488,1106785,1108488,1121424,1093375,1129493,1105407,981473,1113137,1112192,1124085) ORDER BY field (ArticleID,1132075,1119201,1133171,1128737,1095458,1117393,1060974,1117528,1117305,1108900,1126234,1121060,1103688,1110379,1066910,1059861,1125197,1142302,1124344,1056488,1106785,1108488,1121424,1093375,1129493,1105407,981473,1113137,1112192,1124085)