select t1.PF_CODE as 都道府県コード,
    t3.PF_NAME as  都道府県名,
    t1.TOTAL_AMT as 総人口2015年,
    t2.TOTAL_AMT as 総人口2020年,
    round(
        cast(t2.TOTAL_AMT as REAL) / cast(t1.TOTAL_AMT as REAL) * 100
    ) as 人口増加率
from POPU_TRANSITION t1
    inner JOIN POPU_TRANSITION t2 on t1.PF_CODE = t2.PF_CODE
    AND t2.SURVEY_YEAR = 2020
    inner join PREFECTURE t3 on t1.PF_CODE = t3.PF_CODE
where t1.SURVEY_YEAR = 2015
    and t2.TOTAL_AMT >= t1.TOTAL_AMT
order by 人口増加率 desc,
    都道府県コード asc;