One Two Three,...A Cache For Me! Multi-Cache

Get your lunch time cache fix here! (BYOL) A three stage multi. At the first and second stages you will find the encrypted coords for the third and final stage. Half at Stage 1, the other half at Stage 2.
Stage 1 Coords: N 37 41.843 W 77 27.281
Stage 2 Coords: N 37 41.840 W 77 27.274

Congratulations to isweatbutter for being FTF!

On with the hunt;

The third stage coords have been encrypted with a three step
process as follows: (Bring a pencil and paper, you'll need it.)

Step 1 - Use the standard decryption key; A=N B=O C=P etc...

Step 2 - Next use this key to decrypt; A=9 B=8 C=7 and so on....

Step 3 - The last decryption key is this; 0=9 1=8 2=7 3=6 so forth and so on....

Using the decryption key steps above you should have the coords for the cache.

Original Contents:

1 - TeamBumpass FTF Notification paper
2 - Zip lock bag
1 - Log book, pencil and sharpener
1 - UnActivated Micro FTF Coin
1 - Geocaching.com patch
1 - Rubber finger with ring
1 - Official geocache notification card
1 - Water toy
1 - Package of water balloons
4 - Plastic army men
1 - Gamer for life button
1 - Duncan Imperial yo-yo
1 - Calculator
2 - Dice
2 - Compass
1 - Deck of cards
1 - Pencil sharpener
1 - Snap bracelet
2 - Nano cache container with log
1 - 16oz. weight