In the year $2020,$ which of the following $12$ stocks experienced the highest growth.

Stocks: $[$Baba$,$NVR$,$AAPL$,$NFLX$,$FB$,$SBUX$,$NOW$,$AMZN$,$GOOGL$,$MSFT$,$FDX$,$TSLA$]$

For a good estimate of growth, use both formula $1$ and formula $2$ on the weekly closing stock prices.

Formula$1$: $($a$-$b$)$

Formula$2$: $($a$-$b$)/$c

In these formulas, a$,$ b and c are, respectively, the stock closing price of $2020,$ the median of stock prices over $2020,$ the mean of stock prices over $2020.$ Based on each formula, what is the stock with the highest growth, and what is the difference between the outcome of each formula.