Reading the numbers
Ace-queen suited can be dealt 4 ways and ace-jack suited 4 ways. Once both hands are out, the cards they share leave 12 possible pairings. Each row above stands for every pairing with the same suit pattern. The best case for AQs is 70.8%, the worst 70.8%: a shared suit takes away flush cards, and a suit held by both hands can split a flush.
Equity counts half of each tie, so it is the share of the pot AQs takes on average if the money goes in now. Compare it with the from the pot odds calculator. For a whole range on each side, use the range equity calculator.