How can i calculate the Relative Return?

2 Ticker ORCL MSFT NVDA 6/30/2017 50.14 68.93 144.56 5/31/17 45.39 69.84 144.35 4/30/17 44.96 68.46 104.3 3/31/17 44.61 65.86 108.93 /28/17 42.59 63.98 101.48 1/31/17 40.11 64.65 109.18 Return ORCL MSFT NVDA 10.46% -1.30% 0.15% 0.96% 2.02% 38.40% 0.78% 3.95% 4.25% 4.74% 2.94% 7.34% 6.18% -1.04% -7.05% Relative Return ORCL MSFT NVDA Total Return ORCL MSFT NVDA 25.01% 6.62% 32.41% Compound Annual Return ORCL MSFT NVDA 3.79% 1.07% 4.79% 4. 63% Average Return (geometric) ORCL MSFT NVDA 6.92% Average Return (arithmetic) ORCL MSFT NVDA 2.97% #NUM! UNUM