More than 50% would be 50% of the total games plus one win.
In total, there are 162 games.
44+65+53=162
50% of 162 equals 81.
The cubs must win 82 games. If they have won 44 games so far, then 82-44=36
They must win at least 56 games to have a winning season.
Hope I got it right for your sake.