Yeah, difficult one with Watkins, clearly carrying a bit of a knock at the moment and Villa will have a lot of games this season. Add to that the form of Durran off the bench and Villa are probably in a better position than many other sides when it comes to resting and rotating their centre forwards.
The points are taken from the official FPL game, there is no difference.
Your team scored 53 points in GW4 but FPL deduct 4 points per additional transfer that you make beyond your weekly free transfer(s). Looks like you had banked 3 free transfers but ended up making 5. Those 2 additional transfers cost you 8 points as reflected on the official FPL game itself.
Same situation with your opponent who made 1 additional transfer at the cost of 4 points, hence the difference.
RE: Hive FPL Head to Head League GW5 Previews