First, we'll change the order of the values in the User Defined Fields section
  1. Click Management
  2. Click User Defined Field
  3. Select the category where you store this field
  4. Click the name of the User Defined Field you would like to rearrange
  5. Arrange the values by dragging them into the correct order
  6. Click Save and Finish

Then, we'll change the order of the values on the DIY Form:
  1. Click Management
  2. Click DIY Forms
  3. Click the blue Edit button next to the form
  4. Hover over the field that we need to update and click the pencil icon in the upper right corner
  5. Notice that the values are in the correct order
  6. Click Update
  7. Click Go Live to publish the changes