hooksecurefunc("CompactUnitFrame_UpdateStatusText",
    function(frame)
        if frame and not frame:IsForbidden() then
            local frameName = frame:GetName();
            if frameName and frameName:match("^CompactRaidFrame%d") and frame.unit then
                -- conditions taken from CompactUnitFrame.lua
                if not UnitIsConnected(frame.unit) or UnitIsDeadOrGhost(frame.displayedUnit) then
                    return;
                elseif ( frame.optionTable.healthText == "losthealth" ) then
                    -- only losthealth option is condensed
                    local healthLost = UnitHealthMax(frame.displayedUnit) - UnitHealth(frame.displayedUnit);
                    local prettyHealth;
                    if healthLost > 1200000000 then -- 1.2B
                        local h1b = healthLost / 1000000000;
                        local h100m = (healthLost % 1000000000) / 100000000;
                        prettyHealth = string.format("-%d.%dB", h1b, h100m);
                    elseif healthLost > 1200000 then -- 1.2M
                        prettyHealth = string.format("-%dM", healthLost / 1000000);
                    elseif healthLost > 1000 then -- 1K
                        prettyHealth = string.format("-%dK", healthLost / 1000);
                    else
                        prettyHealth = string.format("-%d", healthLost)
                    end

                    if healthLost > 0 then
                        frame.statusText:SetText(prettyHealth);
                        frame.statusText:Show();
                    else
                        frame.statusText:Hide();
                    end
                end
            end
        end
    end
);