SELECT
    PT.PF_CODE AS 都道府県コード,
    PF.PF_NAME AS 都道府県名,
    SUM(CASE WHEN PT.SURVEY_YEAR = 2015 THEN PT.TOTAL_AMT ELSE 0 END) AS 総人口2015年,
    SUM(CASE WHEN PT.SURVEY_YEAR = 2020 THEN PT.TOTAL_AMT ELSE 0 END) AS 総人口2020年,
    ROUND(100 * SUM(CASE WHEN PT.SURVEY_YEAR = 2015 THEN PT.TOTAL_AMT ELSE 0 END) / SUM(CASE WHEN PT.SURVEY_YEAR = 2020 THEN PT.TOTAL_AMT ELSE 0 END), 0) AS 人口増加率
FROM
    POPU_TRANSITION AS PT
    INNER JOIN PREFECTURE AS PF
        ON PT.PF_CODE = PF.PF_CODE
GROUP BY 都道府県コード
ORDER BY
    人口増加率 DESC,
    都道府県コード ASC