Shell Programming and Scripting

 awk 'NR==1{split($0,a);next}{for (i in a){if (a[i]!=$i && i>1)b++};print a[1]"-"$1": "b;split($0,a);b=0}' file

1 3 921 342 543
2 4 817 562 718 765

my $tmp;
sub _comp(@@){
  my $cnt;
  my @a = @{$_[0]};
  my @b = @{$_[1]};
  for (my $i=2;$i<=$#a;$i++){
   $cnt++ if $a[$i] != $b[$i];
  }
  return $cnt;
}
while(<DATA>){
  if($.==1){
    $tmp=$_;
  }
  else{
    my @arr1=split /\s+/, $tmp;
    my @arr2=split /\s+/, $_;
    my $diff = _comp(\@arr1,\@arr2);
    my ($a,$b)=($.-2,$.-1);
    print "Diff between line [$a] and line [$b] is $diff\n";
    $tmp=$_;
  }
}
__DATA__
0 3 892 921 342
1 3 921 342 543
2 4 817 562 718 765
3 3 819 562 717 761
3 3 829

Diff between line [0] and line [1] is 3
Diff between line [1] and line [2] is 3
Diff between line [2] and line [3] is 3
Diff between line [3] and line [4] is 4

cat infile

0 3 892 921 342
1 3 921 342 543
2 4 817 562 718 765
3 3 819 562 717 761
3 3 829


awk '
NR==1{split($0,a);c=NF;next}
{ s=(c>NF)?c-NF:"0";}
{ for (i=3;i<=NF;i++) if (a[i]!=$i) b++ }
{print "Differences between Row", NR-1, "and Row",NR,")=",b+s;split($0,a);b=0;c=NF}
' infile

Differences between Row 1 and Row 2 )= 3
Differences between Row 2 and Row 3 )= 4
Differences between Row 3 and Row 4 )= 3
Differences between Row 4 and Row 5 )= 4