with pop_2015 as (
    select 
        PF_CODE,
        TOTAL_AMT as 総人口2015年
    from POPU_TRANSITION
    where SURVEY_YEAR = 2015
),

pop_2020 as (
    select 
        PF_CODE,
        TOTAL_AMT as 総人口2020年
    from POPU_TRANSITION
    where SURVEY_YEAR = 2020
)

select
    pre.PF_CODE as '都道府県コード',
    pre.PF_NAME as '都道府県名',
    総人口2015年,
    総人口2020年,
    round(
        cast(総人口2020年 as real) * 100 /
        cast(総人口2015年 as real)
        ,0
    ) as '人口増加率'
from PREFECTURE as pre
left join pop_2015 on pre.PF_CODE = pop_2015.PF_CODE
left join pop_2020 on pre.PF_CODE = pop_2020.PF_CODE
order by 人口増加率 desc, 都道府県コード