Any alt coin is going to fall further than BTC. When doing a comparison, look at it versus the USD. While down, it isnt as drastic as compared to BTC.
BTC is holding strong. Hence why you see such a difference. Few coins are outrunning that one especially when the "bad" news in the crypto world.
RE: Ripple price went down from 0.000242 BTC to 0.0000455 BTC in 4 months