Each number represents a percentage line coverage difference of one file. For example "0" means 0% change in a file, "-7" is 7% less coverage, etc.

-81.4 17.3    0 -39.6    0    0    0    0    0    0    0 -14.6    0    0    0    0    0    0    0 -1.1 
   0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0 
   0    0    0    0