Cassius.
you're deadMEAT.
The hardest part about an "appropriate percent" is that optimally it should be around 46%+ so that Falco really can only get off one or two grabs. You can either play runaway or shield less to eat more lasers but most of the time the Falco player will either catch on or eventually start inching in to fish for the grab.
So really your best bet to mitigate the chaingrab problem is to either sit back and purposely take damage or stand towards the edge so that the damage is lessened severely.
Basically, you can't really "outwait" Falco. No Falco player should be that dumb to not notice that you're not approaching. Eventually you will get grabbed, so it's not really a question of will it happen so much as a question of when or at what % it will happen at. If there was just as much risk for Falco getting grabbed as it is for us (technically this is true), then he would have to keep his distance also. This in turn would help us in taking more laser damage, which is huge for us because while his grab gimmicks are percent dependent, Bowser's are not (outside of getting a kill)
So really your best bet to mitigate the chaingrab problem is to either sit back and purposely take damage or stand towards the edge so that the damage is lessened severely.
Basically, you can't really "outwait" Falco. No Falco player should be that dumb to not notice that you're not approaching. Eventually you will get grabbed, so it's not really a question of will it happen so much as a question of when or at what % it will happen at. If there was just as much risk for Falco getting grabbed as it is for us (technically this is true), then he would have to keep his distance also. This in turn would help us in taking more laser damage, which is huge for us because while his grab gimmicks are percent dependent, Bowser's are not (outside of getting a kill)