Fix Premiere Ignoring Keyframes | Reverse for no reason?

Watch the video:

0:00 - Explanation
0:27 - Strange backward then forward keyframes
1:41 - Simple fix: Spatial Interpolation

Keyframes set up properly, but Premiere Pro not listening to them? Going backwards than forwards when moving position or other keyframes? No idea why this is happening? The solution is surprisingly simple. This video shows you all you need to know about this simple tip that could save you a lot of frustration.