Display Screen or Portion Thereof with Animated Graphical User Interface

FIG. 1 is a front view of a display panel screen or portion thereof with a first image of an animated graphical user interface showing our new design; FIG. 2 is a second image thereof; FIG. 3 is a third image thereof; and, FIG. 4 is a fourth image thereof. The outermost broken lines shown in the drawings represent the display screen or portion thereof with an animated graphical user interface that form no part of the claimed design. The broken lines in the animated graphical user interface illustrating portions of the graphical user interface form no part of the claimed design. The dot-dash broken lines define a boundary of the claimed design and form no part of the claimed design. The subject matter in this patent includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design.