SELECT DISTINCT
    p.PF_CODE AS 都道府県コード
    ,PF_NAME AS 都道府県名
    ,総人口2015年
    ,総人口2020年
    ,ROUND(CAST(総人口2020年 AS REAL) / 総人口2015年 * 100) AS '人口増加率'
FROM
    POPU_TRANSITION pt
LEFT JOIN
    PREFECTURE p
ON
    pt.PF_CODE = p.PF_CODE
LEFT JOIN
    (
        SELECT SURVEY_YEAR, PF_CODE, TOTAL_AMT AS '総人口2015年'
        FROM POPU_TRANSITION
        WHERE SURVEY_YEAR = '2015'
    )  AS A
ON pt.PF_CODE = A.PF_CODE
LEFT JOIN
    (
        SELECT SURVEY_YEAR, PF_CODE, TOTAL_AMT AS '総人口2020年'
        FROM POPU_TRANSITION
        WHERE SURVEY_YEAR = '2020'
    ) AS B
ON pt.PF_CODE = B.PF_CODE
    
ORDER BY
    人口増加率 DESC
    ,都道府県コード