Ranked s7 is bullshit

This is bullshit i was in s6 silver 4 and now in s7 IM FACKING BRONZE 4!!!! wtf i won 6 games and 4 lose and i won 4 game in a row and im facking BRONZE 4 wtf riot wtf is this for bullshit when i was in s5 i won 4 games and 6 lose and i was facking silver 3 and now im bronze 4 wtf is this for game now!!!!!!!!!!!!!!!