Summary Winnings window opens after clicking button Summary in Package Winnings window. It shows the summary count of tickets winning any prize.
Column Payout shows the money payouts for given prize category. Double-click any field in that column to adjust the payouts. Column Total shows the break down of winnings per prize category.
Fields below the table show the total winnings, the total cost of the bet and net profit. The cost of single bet is adjustable using menu Tools - Options - Miscellaneous - Payouts.