CREATE TABLE table_204_28 (id DECIMAL, "election" TEXT, "name of the party/alliance" TEXT, "number of votes" DECIMAL, "percentage" TEXT, "seats in the parliament" DECIMAL)

compared to 1998 , what is the difference in seats won in the 2001 election cycle ?
SELECT ABS((SELECT "seats in the parliament" FROM table_204_28 WHERE "election" = 2001) - (SELECT "seats in the parliament" FROM table_204_28 WHERE "election" = 1998))
SELECT ABS((SELECT "seats in the parliament" FROM "table_204_28" WHERE "election" = 2001) - (SELECT "seats in the parliament" FROM "table_204_28" WHERE "election" = 1998))