How do I find the trend percent? please show me the calculations

1 GOOGLE Company ONE Three Years Two Years Previous Current Prior Year Prior Year 8 Net Revenues 50.0 B 59.7 B 65.8 B 73.6 B 10 Net Income 10.7 B 12.9 B 16.3 B 14.4 B 11 12 Net Cash Flow 16.6 B 18.7 B 22.4 B 26.0 B 13 Operating Activities 14 15 Receivables 8.6 B 9.4 B 11.6B 13.9 B 165 505.0 M 426.0 M 17 Inventories 18 19 20 Revenues Trend Percent 22 Net Income Trend Pct 23 24 25 26 27 28 Cash Flow Trend Percent 29 30 31 32 33 34 35 Revenues Trend Percent 0.0% 0.0% 0.0% 0.0% 36 37 Receivables Trend Pct 38 39 40 41 Sheet1 Sheet2 Sheet Enter