Verb
To shift from being nearly non-existent to being very obvious and plain. To increase explosively in intensity.
The level of awkwardness in the room went from 0 to 100 real quick.
To shift from a calm state to an agitated state.
I don't like how the movie goes from 0 to 100 at the end for no reason.
(of a person) To snap (suffer a mental breakdown, usually while under tension).
He went from 0 to 100 in an instant.