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_name_98 (percent_decline_from_peak_population VARCHAR, peak_population__year_ VARCHAR)

### Question ###
what is the percent decline from peak population when the peak population (year) is 178320 (1960)?

### Accurate SQL ###

SELECT percent_decline_from_peak_population FROM table_name_98 WHERE peak_population__year_ = "178320 (1960)"