select x.year y, x.month m, 100 - cast(x.posts as money)/...

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Japanese Language

Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language

select x.year y, x.month m, 100 - cast(x.posts as money)/cast(x1.posts as
money)*100 perc from
(select Year(CreationDate) year, Month(CreationDate) month,
Count(PostTypeId) posts
from Posts group by Year(CreationDate) , Month(CreationDate)) x
join (select Year(CreationDate) year, Month(CreationDate) month,
Count(PostTypeId) posts
from Posts group by Year(CreationDate) , Month(CreationDate)) x1
on x.year =x1.year and x.month - x1.month = 1 and x.posts< x1.posts order
by y,m

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