21 sats \ 0 replies \ @grayruby 15 Mar \ parent \ on: Highest paid athletes worldwide in 2022/23, by earnings from salary/endorsements charts_and_numbers
That's probably how they came up with that number but we don't know how many years it is. Looks like it is estimated as being 4 years.
The closest estimate I have seen for his earnings over the 22-23 season between the pga and liv including contract and winnings is in the range of 76M. Still much higher than I thought.