Are we talking about torts or crimes? If we're talking about tort law, then yes, damages are measured in dollars. And those damages are absolutely subject to

Are we talking about torts or crimes? If we're talking about tort law, then yes, damages are measured in dollars. And those damages are absolutely subject to rules about how they are split when multiple people are liable. If we're talking about crimes, then "percent of blame" is nonsensical. There is no percent liability for a crime, you either are guilty or you are not.