How about try...
=IF(H2<>"",IF(AND(H2>115%,H2<1000%),"5",IF(AND(H2>105%,H2<115 %),"4",IF(AND(H2>95%,H2<105%),"3",IF(AND(H2>85%,H2 <95%),"2",IF(AND(H2>0%,H2<85%),"1"))))),"")
but this seems to work better...
=IF(H2<>"",LOOKUP(H2,{0,0.85,0.95,1.05,1.15},{1,2, 3,4,5}),"")
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