SELECT
    PT.PF_CODE AS 都道府県コード,
    PF.PF_NAME AS 都道府県名,
    PT.TOTAL_AMT AS 総人口2015年,
    PT2020.TOTAL_AMT AS 総人口2020年,
    ROUND( CAST(PT2020.TOTAL_AMT AS REAL) / CAST(PT.TOTAL_AMT AS REAL) * 100)  AS 人口増加率 
FROM
    POPU_TRANSITION AS PT
    INNER JOIN PREFECTURE AS PF ON PF.PF_CODE = PT.PF_CODE
    INNER JOIN POPU_TRANSITION AS PT2020 ON PT2020.PF_CODE = PT.PF_CODE AND PT2020.SURVEY_YEAR = 2020
WHERE
    PT.SURVEY_YEAR = 2015 AND PT2020.TOTAL_AMT >= PT.TOTAL_AMT
ORDER BY
    人口増加率 DESC,
    都道府県コード ASC;