To move a table one level backward relative to another object, select as an object and do one of the following:
–On the Home tab, in the Arrange group, click
Send backward or click the arrow to the right of the
Send backward button and run the Send backward command.

–Right-click the table to open the the context menu and select Send backward.
–Press Ctrl+[ in English keyboard layout.
To bring the table behind other objects, select it as an object and do one of the following:
–On the Home tab, in the Arrange group, click the arrow to the right of the
Send backward button and run the Send to back command.
–Right-click the table to open the the context menu and select Send to back.
–Press Ctrl+Shift+[ in English keyboard layout.