E|--------------------------------------------------------------------|
B|--------------------------------------------------------------------|
G|--------------------------------------------------------------------|
D|------6-------6-------6-------6-------6-------6-------6-------6-----|
A|----7---7---7---7---7---7---7---7---7---7---7---7---7---7---7---7---|
E|--0-------0-------0-------0-------5-------5-------5-------5---------|

When it gets more rowdy at the end he is just playing open chords

E and A2
And for the last few words he goes back to picking the same patern as before.
Listen to the song for timing

Alternatively in some videos when he plays the picking part slightly differently.
Mostly it seems like he does that when using an acoustic guitar, the progression is as follows.

E|--------------------------------------------------------------------|
B|--------------------------------------------------------------------|
G|------1-------1-------1-------1-------2-------2-------2-------2-----|
D|----2---2---2---2---2---2---2---2---2---2---2---2---2---2---2---2---|
A|--2-------2-------2-------2-------0-------0-------0-------0---------|
E|--------------------------------------------------------------------|