They are American money line odds; for example, +200 signifies the amount a bettor could win if wageringR$100. If the bet works out, the player would receive a total payout ofR$300 ($200 net profit +R$100 initial stake).
The negative number shows how much has to be risked to win aR$100 payout. Thus, if the money line for the team that you picked was -400, it means that if you placed a successfulR$400 bet, you would gainR$100 on payout.
