Display Screen or Portion Thereof with Animated Graphical User Interface

FIG. 1 is a front view of a first image of a display screen or portion thereof with animated graphical user interface showing the new design;

FIG. 2 is a second image thereof; and,

FIG. 3 is a third image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 - 3 . The process or period in which one image transitions to another forms no part of the claimed design.

The outmost dot-dashed lines in the figures show a display screen or portion thereof and form no part of the claimed design. The remaining broken lines form no part of the claimed design.