Now i was checking some ninjas and i noticed that there're some different stats:
Battle armor lv 27 rank 5
Naruto level 85, red +1 Awakening, 3 stars, +53% Nin -5% Defense mood
http://image.prntscr.com/image/6532d379841942e79d63c175c393d34f.png
So maybe you have some other buffs like clothings or growth value of the armor rank.