What the #$%@ is body fat percentage? What’s a good amount of body fat to aim for? How the heck do I figure it out how much I have? Body fat is an incredibly tricky subject – it’s tough to calculate, tough to track, and most people are way off in their estimates of what they think their body fat percentage is. As Kanye West once famously declared, “that right there could drive a sane man berserk.” Luckily, you’re reading Nerd…