Display screen or portion threof with animated graphical user interface

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

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof;

FIG. 4 is a fourth image thereof;

FIG. 5 is a fifth image thereof;

FIG. 6 is a sixth image thereof;

FIG. 7 is a seventh image thereof; and,

FIG. 8 is an eighth image thereof.

The broken lines around FIGS. 1-8 show a display screen or portion thereof and form no part of the claimed design. The broken lines within FIGS. 1-8 and the area within them show portions of the animated graphical user interface that form no part of the claimed design.

The appearance of the animated images sequentially transitions between the images shown in FIGS. 1-8 . The process or period in which one image transitions to another forms no part of the claimed design.