In place of a road map!

The previous BF tool I used on fat 2 fat said I was 22.3 %. Now this one says i'm 15.7%...that can't be correct. That's way too low!!

I know I'm at a healthy weight. I'm just looking to tone up and lose fat in certain areas like my belly pooch, tummy, arms, basically everywhere. Since I can't spot reduce, the only way I can lose this fat is if I lose it overall, through cardio.

Actually, cardio is not going to help you as much as strength training and very serious intervals, both of which need recovery days if you are to truly benefit from them.
If you happened to reach this body state with extreme diet and cardio, that's why you are where you are. That combo burns muscle all too easily.

http://www.exrx.net/FatLoss/WT&End.html
Wayne Westcott, Ph.D. conducted a study in which 72 over weight individuals participated in an eight week exercise program. The participants were placed in two groups. The first group performed 30 minutes of endurance exercise on a stationary cycle. The second group performed only 15 minutes of exercise on the stationary cycle plus an additional 15 minutes on weight resistant exercises. At the conclusion of the study, the "endurance only" group lost a total of 3.5 lbs.; 3 lbs. of which was fat and a half pound was muscle loss. On the other hand, the "endurance and weight resistive" group lost 8 lbs. with an actual fat loss of 10 lbs. and an increase of 2 lbs. of lean body weight.

http://www.exrx.net/FatLoss/HIITvsET.html
After a 5 week conditioning period on a recumbent cycle, The High Intensity Interval Training (HIIT) group perform sprints while the Endurance Training (ET) group performed a more traditional aerobic protocol, throughout the remaining 15 weeks. Both groups progressed in intensity. At the conclusion of the study, the HIIT group lost over 3 times as much subcutaneous fat as the ET group despite expending less than half as many calories. For every calorie expended during HIIT, there was a nine fold loss of subcutaneous body fat, as compared to the ET group.

Wow I think I posted this in the wrong section. But here it goes..

Hey y'all been lurking for awhile finally decided to join! Can somebody help me get my Calculations on point.. I thought I was doing it right this whole time eating 1400 to 1500 calories and walking twice a day. If anyone can help I would appriciate it..
Age:22
Height:5'11
Weight:308
Body Fat% How do I find this out
How often you work out: Walk twice a day always 2 1/2 miles on each walk.. I just last night found out about BMR. Thanks

So in this case, the 30 day shred would be beneficial right? What happens if I do a 40 minute cardio burst after that? Will I lose muscle?

This is my treadmill routine.

Warmup: 2 minutes walk @ 5mph
5 minutes light jog @ 6.7mph

Intervals: Sprint 1 minute @ 10mph
Recover 2 minutes @ 7mph

I do this until 40 minutes are up. Is this okay?

Won't hurt.

But it's not as much bang for your buck. Or, if you only have 40 min, want to do it faster or slower?

I think I've got it, finally, maybe. Does this sound correct??

BF 37%
Katch-McArdie BMR 1381
Avg activity 2046
TDEE 2455 (2046 + 20%)

So, I eat 2046 every day, exercise or not, don't look at NET.

I should NEVER NET below 1381, but try to keep it from going under 1581.

When I get to my goal, I'd be able to eat 2455, every day, to maintain.

The ONLY time I should be concerned with my NET, is when my NET is under 1381.

Yes? Do I get it???