Will software downgrade after restoring a backup made with an older software version?

[AC Question]

I did a backup on my LG G2 using LG backup with android 4.2.2 software. I recently reset my phone and updated my software to android 4.4.2 , if i restore my backup made with android 4.2.2 , will my current software (android 4.4.2) go back to android 4.2.2?