IOS Game Center How to reduce the score?

Question

The user's score is reduced, and then fixes a new score to the game center, but Apple will retain the higher score presented earlier.

How to change the rating of the game center, let it upgrade to a lower score?

UPDATE:

This is the top list, the higher the better. Grades change every day. The user can use his account for something, then his account is reduced. If he wins, his score increases.

First day:

Second day:

Answer 1

Yes, you can increase and decrease the user’s score over time in the same leaderboard, this parameter is called the Most Recent Result

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