Official update post now on Freeview website.
https://www.freeview.co.uk/help/chan...number-changes
It worked out the way I thought when I saw the new PBS numbers the other day.
Service changes
CCXTV -->
Drama +1 Ch73
Channel number changes
Now 70s 78--> 75
Now 80s 83--> 76
Now 90s 84--> 78
Clubland TV 82--> 79
Together TV 87--> 82
Together TV +1 88--> 83
PBS America 91--> 84
PBS America +1 93--> 87
Forces TV 96--> 88
Country Music Entertainment 98--> 89