Figure 1

To fit, step inside pant with decorative waistband unfolded; pull the excess fabric to either the right or left side, depending on which side you want the fold to sit;

 
Figure 2

With the two strings hanging down from the back, place one hand in the middle and fold the excess waist across your front to form a pleat;

 
Figure 3

Then, tie the strings to hold the fold, creating that casual pant style - (adjustable self-tie cinches to suit individual waist size);

 
Figure 4(a)

Fold decorative waistband down.

 
Figure 4(b)

You can create the fold/pleat to fall in the center or at the side as seen in Figure 4(a) and Figure 4(b).