What is the change (%) when the area size (km2) is 247.21?
CREATE TABLE table_21284653_1 (change___percentage_ VARCHAR, area__km²_ VARCHAR)
SELECT change___percentage_ FROM table_21284653_1 WHERE area__km²_ = "247.21"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21284653_1 (change___percentage_ VARCHAR, area__km²_ VARCHAR) Question: What is the change (%) when the area size (km2) is 247.21? [/INST] SELECT change___percentage_ FROM table_21284653_1 WHERE area__km²_ = "247.21" </s>