SELECT
    PREFECTURE.PF_CODE AS 都道府県コード,
    PREFECTURE.PF_NAME AS 都道府県名,
    POPU_2015.TOTAL_AMT AS 総人口2015年,
    POPU_2020.TOTAL_AMT AS 総人口2020年,
    ROUND(100.0 * POPU_2020.TOTAL_AMT / POPU_2015.TOTAL_AMT) AS 人口増加率
FROM POPU_TRANSITION AS POPU_2015
LEFT JOIN POPU_TRANSITION AS POPU_2020 ON POPU_2020.PF_CODE = POPU_2015.PF_CODE
LEFT JOIN PREFECTURE ON PREFECTURE.PF_CODE = POPU_2015.PF_CODE
WHERE POPU_2015.SURVEY_YEAR = 2015
    AND POPU_2020.SURVEY_YEAR = 2020
ORDER BY 人口増加率 DESC, 都道府県コード;