The graph shows he has lost nearly half his patrons already and it’s a steep downward curve.
The patrons are real numbers whereas the total income is an estimate. It’s worth bearing in mind that just a few large donors probably supply as much as most of the rest. One of those donors made a video where he said he formerly sent LE even more than the highest tier on his patron levels.
He gets money from patrons, ad revenue, and book sales - so a significant amount. But in somewhat decline. This doesn’t include money, gifts, travel paid for, books sent to him for free by supporters, which by the sounds of it was substantial.