The 84-day release date most likely refers to the remainder of his original parole violation, not any resolution of the new charges. Those are two separate legal matters and they do not automatically resolve together.
Absconding from parole for a full year is a serious violation on its own. When someone cuts off contact with their parole officer and goes off the grid, the court treats that as a deliberate choice to evade supervision rather than a technical slip. That history will factor into how the judge handles everything now that he is back in custody.
The three new charges are the bigger unknown. Without knowing what those charges are, it is genuinely impossible to say whether they add time, how much, and whether the 84-day figure survives contact with a courtroom. If any of the new charges are felonies, or if they are related to the conduct that originally landed him on parole, the exposure increases significantly.
What is almost certain is that the new charges will not simply disappear because a release date exists on paper for the parole violation. Courts schedule hearings, and until those charges are resolved through a plea, a dismissal, or a trial, they hang over everything else.
He needs an attorney working both matters simultaneously. The interaction between the parole violation and the new charges is exactly the kind of complexity that requires legal representation to navigate, and going into those hearings without a lawyer is a serious mistake.