Hi again!
I am afraid I will need some extra assistance, since your column names have special characters (spaces) meaning thir internal name will not be the same as the one displayed, and we need the internal name to design our flow!
So, our new flow shall make its magic whenever an approver changes 'Approval Change budget' choice column value to 'Approved' in any of the SP list items, right?
In such case, I would recommend you to:
1.- Add a 'When an item is created or modified' trigger
2.- Add a Condition action block:
-on the left side of your condition, click on 'dynamic content' and pick the column 'Approval Change budget'
-select as the operator 'equals'
-on the right side of your condition, add 'Approved' or whatever other text string you defined in your Choice column

Please hover the mouse over the left side of your condition to inspect 'Approval Change budget' internal name and share a screenshot with its internal name.
Save your flow, add a dummy item on your sharepoint list for testing purposes ('Approval Change budget' value shall not be 'Approved' yet). Once the item is created, modify column 'Approval Change budget' and select 'Approved'.
No go back and refresh your flow details page, verify your flow has been executed twice (first when you created the item, second when you updated it manually)

Once you share 'Approval Change budget' internal name, we will keep on with the design by adding 'Update item' to the true branch of your Condition.
Thanx!