Upgrading your electrical system doesn't necessarily mean you're getting an addition or adding appliances. Consolidating your panel and clearly labeling it is a great safety precaution.
The first picture is the before. The second picture is the after with the cover off and the third is the after with the panel on.
Before calling an electrician to troubleshoot, try resetting your garbage disposal by pressing the red button underneath the unit. If this doesn't work, then call Brian Millman Electric to fix the issue (215) 355.6189.