CREATE TABLE table_204_982 (id DECIMAL, "party/electoral alliance" TEXT, "seats" DECIMAL, "change" DECIMAL, "votes" DECIMAL, "%" TEXT)

total number of parties who lost seats in the argentine chamber of deputies in the legislative election of 1930
SELECT COUNT("party/electoral alliance") FROM table_204_982 WHERE "change" < 0
SELECT COUNT("party/electoral alliance") FROM "table_204_982" WHERE "change" < 0