The 'With a Little Help From My Friends' counter appears to be not working for at least several months on my character.
With every achievement that you get, the amount of collected earnings needed to get the next achievement increases thus it can look as though the progress bar is not going up when infact it is. For example you get the 1,000,000,000 achievement which becomes a % of the 5,000,000,000 achievement.
I know I know how the counters work. The counter on my page has not moved from 46% (from the last time I had an achievement listed and the counter changed as you suggested in your message) for at least two months. And I collect my earnings at least every other day and I am an active player . Should not be stuck on 46%.
The achievements roll over so if it took you 3 months to get what you have now, it will take longer to get the next one as it is built on the previous amount. Thus taking longer and the amount needed to move up the counter takes more. So it may appear to be not moving but it is - just more slowly. If you are concerned, you can send a message into support with your application link so that we can investigate further.
If you think that it is not working on your app then send a message into support with your game link.
