Last year's Mets team finished 74-88.  This year's Mets team is on pace for 72 wins.  To match last year's win total the Mets (64-79) would need to go 10-9 over it's last 19 games.  If they fail to play one game over .500 from here out then they will have declined in the standings the last 3 seasons.  

The season finishes with the following games

2 Nats

4 Marlins

3 Giants

3 @ Phillies

3 @ Reds

4 Brewers