根据两个单元格之间的百分比给出规则?

Give rules depending on percentage between two cells?

我需要 R5 告诉我 L5 是否比 F5 大一定百分比。例如:

If L5 is greater than F5 by 9.99% or less then I need R5 to = Full
If L5 is greater than F5 by 10% -  19.99% then I need R5 to = Half

最后

If L5 is greater than F5 by 20% or greater then I need R5 to = NONE

假设 99 不算大于 100 小于 10% 如果应该工作:

=IF(AND(L5>F5,L5<=1.0999*F5),"Full",IF(AND(L5>F5,L5<=1.1999*F5),"Half",IF(L5>=1.2*F5,"NONE"))) 

没有对 L5 小于 F5 的情况做出规定。