Updating ',' separated values in sqlserver with different values

[kkssql]

Hi,
Please help me with below req:
id
11,25
15,78
78,25
11,15
89,67
... i have to update the id 11 as 1,25 as 200,15 as 30 and some values
Output should be
new_Id
1,200
30,225
225,200
....... Please help me with this.

[Rabbit]

You can use the replace function for that. Just make sure to include the comma.