Increase in number of hotels = (number of hotels in 2008 - number of hotels in 2003 ).
Required percentage of increase = (number of hotels in 2008 - number of hotels in 2003 ) x 100 / number of hotels in 2003
Required percentage of increase = (838 - 410) x 100 /410 = 428 x 100 /410 = 100.4%
Approximate 100%