iOS game center How to decrease score?

Question

A user's score decreases, then commit the new lower score to game center, but Apple will retain the higher score submitted before.

How to change game center's score, let it update to the lower score?

UPDATE:

It is top list, the higher score the better. The scores are changing everyday. A user can use his score for doing something, then his score decreases. If he wins, his score increases.

First day:

Second day:

Answer 1

Yes, you can increase and decrease a user score over time on the same leaderboard, the option is called Most Recent Score

• in iTunes Connect select your app
• then click Manage Game Center
• you can add a new leaderboard or edit a not submitted leaderboard
• and change the Score Submission Type to Most Recent Score