let part = CGFloat(totalScoreView.score)/100.0
        let endAngle = part != 0 ? CGFloat(Double.pi * 1.5) * part : CGFloat(Double.pi / -2)

        let circlePath = UIBezierPath(arcCenter: CGPoint(x: infoButtonViewParent.bounds.midX, y: infoButtonViewParent.bounds.midY), radius: totalScoreView.frame.size.width/1.65, startAngle: CGFloat(Double.pi / -2), endAngle: endAngle, clockwise: true)

        let positionAnimation = CAKeyframeAnimation(keyPath: "position");
        positionAnimation.duration = kScoreCircleAnimationDuration
        positionAnimation.path = circlePath.cgPath
        positionAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
        positionAnimation.fillMode = kCAFillModeForwards
        positionAnimation.delegate = self
        positionAnimation.isRemovedOnCompletion = false
        infoButtonView.layer.add(positionAnimation, forKey: nil)