What should come in place of the question-mark (?) in the following…

What should come in place of the question-mark (?) in the following number series? 5690 5121 4552 3983 3414 2845?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #38321