Paumen had given her side the lead after crashing a penalty corner shot past goalkeeper Sally Rutherford and in off the post.
The Kiwis produced an impressive performance and hit the post from a penalty corner, but looked likely to go unrewarded until Whitelock's late strike.
With her back to goal she hit a bouncing ball first-time to send it past the outstretched Joyce Sombrek in the Dutch goal.
The men guaranteed their spot in the knockout phase after goals from Simon Child, Nick Wilson and Hugo Inglis gave them an unassailable 3-0 lead. Belgium replied late on with a goal to Florent van Aubel.Belgium went into the match with a 100 per cent record and having conceded only two goals in their previous four games.
After a scoreless first half, the New Zealanders went ahead in the first minute after the resumption through a Child penalty corner effort.Wilson, who scored four goals in their previous outing against Brazil, doubled the lead six minutes later. Then Inglis rounded off a mazy run that left the defence befuddled with a fine finish.The men will play Germany in the knockout phase on Sunday. The women will learn their opponents after the final pool matches.
- AAP