See great changes in cheaper accommodation (8)
I believe the answer is:
steerage
'cheaper accommodation' is the definition.
(part of a ship providing cheap accommodation)
'see great changes' is the wordplay.
'changes' is an anagram indicator.
'see'+'great'='seegreat'
'seegreat' is an anagram of 'STEERAGE'.
'in' acts as a link.
(Other definitions for steerage that I've seen before include "government" , "main accommodation" , "The cheapest fares" , "cheap transport" , "Part of ship with lowest fares" .)