One would expect that there'll be a heavy difference in their performances and this would cause them to finish very much well in a couple of weeks to come but as it stands, their performance rate so far has been fair and it's best they stay at that pace. Few weeks left and not much impact can be made other than maintaining the tempo and not going below it. We'd see how the both teams will hold up themselves till the game ends.
That doesn't mean I don't believe in Leverkusen, but we can see for ourselves how strong Atalanta is, who continued to appear very consistent in the final round and even got rid of Liverpool, which was initially said to be one of the strongest clubs in the UEL, but Atalanta was able to provide a surprise like that.
These two clubs will definitely have the same goals, such as Leverkusen trying to win with a bigger score, while Atalanta has the goal of ending the match in a draw to have a big chance of winning in the final match.