SELECT PT.PF_CODE AS 都道府県コード
,PR.PF_NAME AS 都道府県名
,PT.TOTAL_AMT AS '総人口2015年'
,PT2.TOTAL_AMT AS '総人口2020年'
,ROUND(CAST(PT2.TOTAL_AMT AS REAL)/CAST(PT.TOTAL_AMT AS REAL)*100,0) AS 人口増加率
FROM POPU_TRANSITION AS PT
LEFT JOIN PREFECTURE AS PR
ON PT.PF_CODE = PR.PF_CODE 
INNER JOIN POPU_TRANSITION AS PT2
ON PT.PF_CODE = PT2.PF_CODE 
AND PT2.SURVEY_YEAR=2020
WHERE PT2.TOTAL_AMT>PT.TOTAL_AMT
AND PT.SURVEY_YEAR=2015

ORDER BY 人口増加率 desc
,都道府県コード asc