On Monday, Denis O’Brien owned 99 per cent of Digicel Group Holding Company, according to Fitch Ratings. Today he owns less than that. Exactly how much, we do not know. A deal was agreed on Tuesday that creditors will forgive $1.8 billion of debt in exchange for equity in the business. The proposed deal, though agreed upon, is still subject to final sign-off. This is a debt-for-equity swap, a common element of restructurings.  How much equity did the creditors take? We don’t know, but legally they’re in a strong position, so they’ve almost certainly got most of it. Based on what…