7446
Pravda , meanwhile , has retained only 57 % of its 1986 readership .
 Pravda, only 57 %, 1986
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Pravda, only 57 %, 1986