I've read all about compression, but I guess I'm missing something here. A ratio of 1.4-1.7 is supposed to be good, but how does that relate to a percentage? Is this 85%-90% or what? I have compression rations all over the board, and I'm not really sure which are good and which are bad. Some are like 1.02 or 1.15. Could someone clear this up for me? Thanks.