SELECT
    A.PF_CODE AS 都道府県コード,
    C.PF_NAME AS 都道府県名,
    A.TOTAL_AMT AS 総人口2015年,
    B.TOTAL_AMT AS 総人口2020年,
    round(cast(B.TOTAL_AMT * 100 AS real) / cast(A.TOTAL_AMT AS real)) AS 人口増加率
FROM
    POPU_TRANSITION AS A
JOIN
    POPU_TRANSITION AS B
ON
    A.PF_CODE = B.PF_CODE
JOIN
    PREFECTURE AS C
ON
    A.PF_CODE = C.PF_CODE
WHERE
    A.SURVEY_YEAR = 2015
AND
    B.SURVEY_YEAR = 2020
AND
    A.TOTAL_AMT < B.TOTAL_AMT
ORDER BY
    人口増加率 DESC,
    A.PF_CODE