On the website you show the circulating supply of WGO... it shoes 53 percent. I am sure some was held back for the faucet and lessors.. what is missing is the amount burned... that I would like to see... on this page:
http://www.wavesgo.com/wgoThat is outdated, you're right, it's more like 75%.
We will start working on the new website content soon and this page is subject to it as well. For now, you can find the supply on Coinmarketcap, they are showing the actual supply on the blockchain:
https://coinmarketcap.com/currencies/wavesgo/#charts.