0,007 percent of 8billion = 00,007 percent of 945000000 = 00,0075 percent of 80000000000 = 00,008 percent of 750000000 = 00,009 percent of 1,000,000 = 00,009 percent of 180000000 = 00,009 percent of 20000000000000000 = 00,009 percent of 8000000000 = 00,01 percent of 8,000,000,000 = 00,01 percent of 10000 = 0