Is there any percent chance for the white to win? Seems like greed for the opposite queen on behalf of sacrificing his pieces has cost him this game.
The view is from the white player's end.
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No, there is no chance for white to draw, let alone win, this game. In fact, if you enter this into an endgame tablebase it will tell you that it is mate in 13 moves with perfect play from both sides. One possible line is:
8/4K3/8/4Q3/8/4nk2/3p4/4r3 w - - 0 1 1. Qh5+ Ng4+ 2. Kd6 d1=Q+ 3. Qd5 Qxd5+ 4. Kxd5 Rd1+ 5. Kc5 Ke4 6. Kc6 Ne5+ 7. Kc5 Rd2 8. Kb5 Kd4 9. Kb6 Rb2+ 10. Kc7 Kd5 11. Kd8 Kd6 12. Kc8 Rb1 13. Kd8 Rb8++
Even if you don't have a tablebase, the position is quite obviously won for black. White's only hope in this position would be if he could capture the black pawn or if there was perpetual check. Neither of this is possible here, basically because all black pieces are working together and can protect each other and (and this is important), black is threatening a discovered check/pin which helps to prevent perpetual checks: basically if white checks with the queen black's knight can block the check, while at the same time giving check himself, thereby gaining a tempo for queening the pawn.
If you moved the white king away from this pin, it might very well be draw by perpetual check. For instance the same position with the white king on b8 is a draw.
If, as you claim, it's viewed from White's side, then the black pawn is almost promoted and according to Shredder, White will even lose in 13 moves or less.
(no time right now to analyze/post variations, sorry)