CREATE TABLE table_204_284 (id DECIMAL, "jurisdiction" TEXT, "adherents" DECIMAL, "bishops" DECIMAL, "priests" DECIMAL, "monastics" DECIMAL, "monasteries" DECIMAL, "parishes" DECIMAL)

how many more adherents does constantinople have compared to jerusalem ?
SELECT (SELECT "adherents" FROM table_204_284 WHERE "jurisdiction" = 'constantinople') - (SELECT "adherents" FROM table_204_284 WHERE "jurisdiction" = 'jerusalem')
SELECT (SELECT "adherents" FROM "table_204_284" WHERE "jurisdiction" = 'constantinople') - (SELECT "adherents" FROM "table_204_284" WHERE "jurisdiction" = 'jerusalem')