Simple:
* My plans went awry when my car broke down.
* The cake was awry, tilted to one side.
* The game went awry after their star player got injured.
More descriptive:
* The carefully crafted plan went awry when the unexpected storm hit.
* The meticulously planned wedding went awry after a disagreement between the bride and groom.
* The once thriving economy went awry following the global financial crisis.
Figurative:
* My life has gone awry since I lost my job.
* The country's future seems to be going awry with rising crime rates.
* The peace treaty fell awry, leading to renewed conflict.
Formal:
* The experiment went awry, resulting in a significant data loss.
* The negotiations went awry, leading to a stalemate.
* The financial markets went awry, causing widespread panic.
Remember that "awry" usually implies that something is wrong, off-track, or out of place.