-- SQLite
SELECT
    PR.PF_CODE AS 都道府県コード
    , PR.PF_NAME AS 都道府県名
    , PO1.TOTAL_AMT AS 総人口2015年
    , PO2.TOTAL_AMT AS 総人口2020年
    , ROUND(
        CAST(PO2.TOTAL_AMT AS REAL) / CAST(PO1.TOTAL_AMT AS REAL) * 100
    ) AS 人口増加率
FROM
    POPU_TRANSITION AS PO1
    INNER JOIN POPU_TRANSITION AS PO2
        ON PO1.PF_CODE = PO2.PF_CODE
        AND PO2.SURVEY_YEAR = 2020
    INNER JOIN PREFECTURE AS PR
        ON PO1.PF_CODE = PR.PF_CODE
WHERE
    PO1.SURVEY_YEAR = 2015
    AND PO2.TOTAL_AMT >= PO1.TOTAL_AMT
ORDER BY
    人口増加率 DESC
    , 都道府県コード ASC
;