Study the following table and answer the question.
The table shows the number of people who visited hill stations A and B in the years from 2011 to 2013.

Year	A	B
2011	777	566
2012	675	289
2013	470	978

What is the absolute difference between the number of people who visited hill station A in the year 2011 to the number of people who visited hill station B in the same year?