Jamieson, Fausset and Brown on Isaiah 41:22

22. what shall happen--"Let them bring near and declare future contingencies" [Horsley].

former things ... the latter end of them--show what former predictions the idols have given, that we may compare the event ("latter end") with them; or give new prophecies ("declare things to come") (Is 42:9), [Maurer]. Barnes explains it more reconditely, "Let them foretell the entire series of events, showing, in their order, the things which shall first occur, as well as those which shall finally happen"; the false prophets tried to predict isolated events, having no mutual dependency; not a long series of events mutually and orderly connected, and stretching far into futurity. They did not even try to do this. None but God can do it (Is 46:10; 44:7, 8). "Or ... things to come" will, in this view, mean, Let them, if they cannot predict the series, even predict plainly any detached events.