Formula help for +-1

[Kinetic_analytics]

Hello Folks:

Hope you are doing great. I need help with a formula. 

Difference

2.00

-0.265

-1.57

25

In a new Comment column, If the Difference is +-1 then "I need to review." els " OK"

How can I form it?

Appreciate your help. 

[binuacs · Accepted solution]

@Kinetic_analytics Looking for something like this?

[Kinetic_analytics]

@binuacs Thank you :) 

[BS_THE_ANALYST · Accepted solution]

If you're looking at -1<=difference<=1 then: