What percentage of the orders placed by Kaleena were shipped by the international method?
shipped by international method refers to method_name = 'International'; percentage = Divide (Sum(method_name = 'International'), Count(method_name)) * 100
SELECT CAST(SUM(CASE WHEN T3.method_name = 'International' THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(*) FROM customer AS T1 INNER JOIN cust_order AS T2 ON T1.customer_id = T2.customer_id INNER JOIN shipping_method AS T3 ON T3.method_id = T2.shipping_method_id WHERE T1.first_name = 'Kaleena'