You can view the number of companies which have advances, declines or remain unchanged for the past 7 days. The number are provided exchange group wise with an option to select either of the two exchanges (BSE or NSE).
Select Date   
As on 20/04/2018
GroupAdvancesDeclinesNo Change
B 010
G 020
GB 4100
IV 010
Nifty 16340
OtherEQ 56180835
Others 674011
SM 38283
ST 132
T 417322
Z 3122