Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_49645 ( "Governorate" text, "Seats 2010" real, "Seats 2005" real, "In/de-creased by" real, "Percentage in/de-crease" text )

### Question ###
Name the highest In/de-creased which has a Percentage in/de-crease of 100%, and Seats 2010 larger than 8?

### Accurate SQL ###

SELECT MAX("In/de-creased by") FROM table_49645 WHERE "Percentage in/de-crease" = '100%' AND "Seats 2010" > '8'