Companies with declining employee counts in Copenhagen

WITH ranked AS (
 SELECT *, row_number() OVER (PARTITION BY cvr_number ORDER BY reporting_period_end DESC, publication_timestamp DESC, filing_id DESC, reporting_currency) AS rn
 FROM gold.mart_company_financials_annual_scoped WHERE statement_scope = 'entity'
), f AS (SELECT * FROM ranked WHERE rn = 1 AND reporting_currency = 'DKK'),
base AS (
 SELECT p.cvr_number, p.company_name, p.city, p.registered_address_slug, p.registered_address_identity, p.registered_address_formatted, p.founded_at, p.company_status, p.company_status_valid_from,
 f.reporting_period_start, f.reporting_period_end, f.average_employees AS employees, f.operating_profit, f.profit_after_tax AS profit, f.equity, f.revenue
 FROM gold.mart_company_profile p JOIN f ON f.cvr_number=p.cvr_number
 WHERE p.is_active=true
), comparison AS (
 SELECT c.cvr_number, old.average_employees AS previous_employees, old.revenue AS previous_revenue, old.profit_after_tax AS previous_profit, old.reporting_period_end AS previous_period,
 100.0*(c.average_employees-old.average_employees)/nullif(old.average_employees,0) AS employee_growth,
 100.0*(c.revenue-old.revenue)/nullif(old.revenue,0) AS revenue_growth_percent
 FROM ranked c JOIN ranked old ON c.cvr_number=old.cvr_number AND c.rn=1 AND old.rn=2
 WHERE c.reporting_currency='DKK' AND old.reporting_currency='DKK'
 AND try_cast(c.reporting_period_end AS DATE)-try_cast(c.reporting_period_start AS DATE) BETWEEN 329 AND 399
 AND try_cast(old.reporting_period_end AS DATE)-try_cast(old.reporting_period_start AS DATE) BETWEEN 329 AND 399
 AND try_cast(c.reporting_period_start AS DATE)=try_cast(old.reporting_period_end AS DATE)+1
)

SELECT base.*, c.previous_employees, c.previous_revenue, c.previous_profit, c.previous_period, c.employee_growth, c.revenue_growth_percent, count(*) OVER() AS total_matches
FROM base JOIN comparison c USING(cvr_number)
WHERE (true AND EXISTS (SELECT 1 FROM gold.mart_company_geo_area g WHERE g.cvr_number=base.cvr_number AND g.area_id='municipality:0101' AND g.source_field='company_registered_address')) AND c.previous_employees >= 10 AND base.employees >= 0 AND c.employee_growth < 0
ORDER BY employee_growth ASC NULLS LAST, base.company_name ASC, base.cvr_number ASC