[EA confirmed] Major Bug with % Premium Items. DONT BUY THEM - THEY DONT WORK!
Hmmmm....now that I think about it, I have the same problem.
Forum Discussion
For all we know it might be a very recent bug that crept in the programming. If it HAS been around for a while, it's pretty crazy that out of who knows how many thousands of players, you seem to be the only one who noticed!
