since i have notice previously my % went from 99% back to 100%, the calculation must be rounded, not truncated. so with a 97% at 500 games, you could have as few as 13 losses (97.4%) or up to 17 losses (96.6%).I just realized: tomorrow will be my 500th game and I'm at 97% wins right now. Assuming that's exactly 15 losses I'll need a perfect row of 101 wins until it starts rounding up to 98%. Is that right? Of course I could be at 17 fails. In which case I'd need to get to 680 without misses. Or 13. Then it'd only be 520. Now see me fail tomorrow...