SELECT
A.PF_CODE AS CODE
,PR.PF_NAME AS NAME
,ROUND(cAST((MAI * 100.0 / SOU) AS DECIMAL(2,1)),1) AS PERCENTAGE

FROM
(
SELECT 
PF_CODE
,SUM(DH.AMT) AS SOU
FROM DRINK_HABITS AS DH
WHERE DH.GENDER_CODE IN ('2','3')
AND DH.CATEGORY_CODE = '110'
GROUP BY PF_CODE
)A

LEFT OUTER JOIN
(
SELECT 
PF_CODE
,SUM(DH.AMT) AS MAI
FROM DRINK_HABITS AS DH
WHERE DH.GENDER_CODE IN ('2','3')
AND DH.CATEGORY_CODE = '120'
GROUP BY PF_CODE
)B

ON A.PF_CODE = B.PF_CODE

LEFT OUTER JOIN PREFECTURE PR
ON A.PF_CODE = PR.PF_CODE 

ORDER BY 3 DESC , 1 DESC