CREATE TABLE table_name_89 (change INT, _percentage_votes VARCHAR, seats VARCHAR)

What is the change number with fewer than 4.7% votes and more than 0 seats?
SELECT SUM(change) FROM table_name_89 WHERE _percentage_votes < 4.7 AND seats > 0
SELECT SUM("change") FROM "table_name_89" WHERE "_percentage_votes" < 4.7 AND "seats" > 0