Something doesnt seem right with my pool. the numbers are all off. it was working fine all week. i havent got a payout in 17hours. why does the valid shares exceed the estimated shares by 342%?

Round Shares Submitted shares since last found block (ie. round shares)
Est. Shares   343,197 (done: 342.35%)
Pool Valid   1,174,944
Your Valid   656,496
Pool Invalid   3,072 (0.26%)
Your Invalid   128 (0.02%)
 
PENG Estimates
Block   279,373.31481330
Fees   1,396.86657407
Donation   0.00000000
Payout   277,976.44823923
 
Network Info
Difficulty   5.23677444
Est Next Difficulty   1.97541656 (Change in 13 Blocks)
Est. Avg. Time per Block   2 minutes 39 seconds
Current Block   4967