while wait() do
script.Parent.Text = game.ServerStorage.packages
end
game.ServerStorage.packages is a ValueObject, and thus you need to get its value by using game.ServerStorage.packages.Value. Additionally, you will have to convert the number to a string (this is not necessary for integer values, however, so you can omit the tostring() if you really want to.
while wait() do
script.Parent.Text = game.ServerStorage.packages.Value
end