CREATE TABLE table_name_34 (in_de_creased_by INTEGER, percentage_in_de_crease VARCHAR(255), seats_2010 VARCHAR(255))
Name the highest In/de-creased which has a Percentage in/de-crease of 100%, and Seats 2010 larger than 8?
    
SQL: SELECT MAX(in_de_creased_by) FROM table_name_34 WHERE percentage_in_de_crease = "100%" AND seats_2010 > 8