be on the downgrade

It was a time when expensive ready-to-wear was on the downgrade and street clothes were coming in.

Home values nationwide no longer are on the downgrade, and household debt loads are moderating.

I learnt that the Cadet Unit was on the downgrade, and that the Parade livened up cadet activities.

He sees history, especially contemporary history, as the endless rise and decline of great power units, and every event that happens seems to him a demonstration that his own side is on the upgrade and some hated rival is on the downgrade.