During test for water content determination on a soil sample by pycnometer. The following observations were recorded.

Mass of wet soil sample = 1000 gm

Mass of pycnometer with soil & filled with water = 2000 gm

Mass of pycnometer filed with water only = 1480 gm

Specific gravity of solids = 2.67

If bulk density of soil is 2.05 gm/ml, The degree of saturation is ______%