CREATE TABLE table_78628 ("Party" CLOB, "Party-list votes" FLOAT, "Vote percentage" CLOB, "Total seats" CLOB, "Seat percentage" CLOB)

What is the seat percentage when vote percentage is 2.4% (-8.3)?
SELECT "Seat percentage" FROM table_78628 WHERE "Vote percentage" = '2.4% (-8.3)'
SELECT "Seat percentage" FROM "table_78628" WHERE "Vote percentage" = '2.4% (-8.3)'