Your calculation is really impressive and correct!
And from your calculation, looking here
https://linda.masternodes.pro/ telling us there are 47 Masternode active should result then 144,510 Linda each, so Linda's current price on cryptopia is about $ 84 a day.
It is therefore far from what the above page tells us that shows a gain of $ 885 a day, that is about x10 from the real gain.
Why this then?
How is the data false on
https://linda.masternodes.pro/?Well it could have been old data from when there were less MNs on the network. So the MN count was up-to-date but the payouts were off by a a week or more I guess.
Right now the numbers have been lowered but they are not correct either.
Always DYOM (do your own maths).