Within the Particl wallet you can find this out.
This will return:
"version": 14020100, "protocolversion": 90004, "walletversion": 60000, "moneysupply": 8653118.78256105, "blocks": 11560, "timeoffset": -1, "connections": 12, "proxy": "", "difficulty": 854314.991227593, "testnet": false, "keypoololdest": 1501727330, "keypoolsize": 16, "unlocked_until": 0, "paytxfee": 0.00000000, "relayfee": 0.00001000, "errors": ""
This is the Total Supply. The Circulating Supply is that number minus 996,000 PART locked for the primary funding round. The address for that amount above is here: https://chainz.cryptoid.info/part/address.dws?RNnoeeqBTkpPQH8d29Gf45dszVj9RtbmCu.htm
You can see Total Supply versus Circulating Supply here too: https://coinmarketcap.com/currencies/particl/
edited formatting
Don't worry.
Look at how new money is rapidly flowing into crypto at unprecedented rates : https://coinmarketcap.com/charts/ . Almost every day we get a new ATHs.
This money will flow around in cryptosphere. Then if Particl delivers an awesome product it will inevitably find its way into PART.