In his (Alan Pardew) time we have scored 209 competitive goals and conceded 249 giving us a score difference of -40 goals which is the worst in our under any manager in our PL history.
In fact 21% of the times we play we concede 3 or more goals over a 90 minute period and have done so 42 times in 3 1/2 seasons. So in once every 5 games we concede over 3 goals.
We have lost 16 of our last 24 league games and failed to score a goal in 14 of the 24. Out of the 24 we have only won 6 (could be 5 as Mactoon suggests).
Since the beginning of the year we have a GD of -27 in the PL.