SELECT
  PO.PF_CODE AS 都道府県コード,
  PR.PF_NAME AS 都道府県名,
  PO.TOTAL_AMT AS 総人口2015年,
  PO2020.TOTAL_AMT AS 総人口2020年,
  ROUND(
    CAST(PO2020.TOTAL_AMT AS REAL) / CAST(PO.TOTAL_AMT AS REAL) * 100
  ) AS 人口増加率
FROM
  POPU_TRANSITION AS PO
  INNER JOIN PREFECTURE AS PR
    ON PO.PF_CODE = PR.PF_CODE
  INNER JOIN POPU_TRANSITION AS PO2020
    ON PO2020.PF_CODE = PO.PF_CODE
    AND PO2020.SURVEY_YEAR = 2020
WHERE
  PO.SURVEY_YEAR = 2015
  AND PO2020.TOTAL_AMT >= PO.TOTAL_AMT
ORDER BY
  人口増加率 DESC,
  都道府県コード ASC