Looks to be correct LiteBit. The majority of PoW coins will only be mined in a few years (PoW rewards will be increasing with each block for a very long time). This large percentage should concern the premine, which I understand was created as "unspendable" until reaching a certain date. That's one of the interesting innovations with ZRC btw (the time locked premine).

I'd expect that ZWGuy or someone from their team should step in to clarify decisively.