ASCII-art to numbers
Jelly, 13 bytes

...turns out it's slightly different to Dylnan's method, I thought they just beat me to it

ṙ€1T€ịØD;”-¤U


A monadic link accepting a list of lists of 1s and 0s which returns a list of lists of characters the output "numbers".

Try it online!

How?

ṙ€1T€ịØD;”-¤U - Link: list of lists of integers (in {0,1})
ṙ€1           - rotate €ach list left by one
   T€         - get the truthy (1-based) indices of €ach
           ¤  - nilad followed by link(s) as a nilad:
      ØD      -   decimal digit characters = "0123456789"
         ”-   -   literal '-' character
        ;     -   concatenate
     ị        - index into (vectorises)
            U - upend (reverses each resulting list of characters)