1. Create a Campaign, Fund, or Appeal Query of records you wish to change
2. Choose Global Change Records option in Admin
3. Choose to create a new Global change for Campaign, Fund, or Appeal
4. Click Include and choose selected records to bring in the appropriate query 
5. Select the value you wish to globally change
6. Choose the desired operation and value you wish to change
7. Select "OK"
8. Select "Change Records"