Dax query to count unique values in a column by comparing it with other column

Hey folks,

Need your help with a query.

Here goes the problem definition,

Below table has ID column with unquie values and the corresponding Risk factor column which has same/different values.

Now expected output will be to check if values in Risk Factor column is changing wrt ID and if does then expected ouput will be 1 and if not then 0 as shown below.