CREATE TABLE table_204_858 (id DECIMAL, "date" TEXT, "time" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "tv" TEXT, "result" TEXT, "attendance" DECIMAL)

what is the different between the number of people who attended august 30th and the number of people who attended november 1st
SELECT ABS((SELECT "attendance" FROM table_204_858 WHERE "date" = 'august 30') - (SELECT "attendance" FROM table_204_858 WHERE "date" = 'november 1'))
SELECT ABS((SELECT "attendance" FROM "table_204_858" WHERE "date" = 'august 30') - (SELECT "attendance" FROM "table_204_858" WHERE "date" = 'november 1'))