What percentage of businesses in the Northwest US have forecasted annual sales of above 300,000?
Northwest refers to Name = 'Northwest'; US refers to CountryRegionCode = 'US'; forecasted annual sales of above 300,000 refers to SalesQuota >300000; Percentage = Divide(Count(TerritoryID(SalesQuota >300000)),Count(TerritoryID))*100
SELECT CAST(SUM(CASE WHEN T1.SalesQuota > 300000 THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(T1.BusinessEntityID) FROM SalesPerson AS T1 INNER JOIN SalesTerritory AS T2 ON T1.TerritoryID = T2.TerritoryID WHERE T2.CountryRegionCode = 'US' AND T2.Name = 'Northwest'