Identify the total number of orders processed by Northwind employee named Andrew Fuller. What percent of those orders was shipped to Austria?
'Andrew Fuller' is the full name of an employee; full name refers to FistName, LastName; Austria refers to ShipCountry; calculation = DIVIDE(SUM(ShipCountry = 'Austria'), COUNT(OrderID)) * 100
SELECT CAST(COUNT(CASE WHEN T2.ShipCountry = 'Austria' THEN 1 ELSE NULL END) AS REAL) * 100 / COUNT(T2.OrderID) FROM Employees AS T1 INNER JOIN Orders AS T2 ON T1.EmployeeID = T2.EmployeeID WHERE T1.FirstName = 'Andrew' AND T1.LastName = 'Fuller'