hi everyone i looking for a way to calculate drawdown length in days

[josh121223]

i have a problem if anyone could help it would be grateful i would like to find the drawdown duration in days example 1/24/2005-1/7/2005=17 days want a formula to calculate the days between how long the drawdown lasted and entry date is column A and drawdown is column B want answer in coulmn C

Entry date	drawdown	drawdown length in days
1/2/2005	0%
1/7/2005	-1%
1/15/2005	-2%
1/24/2005	0%
2/3/2005	-1%
2/10/2005	0%
2/14/2005	0%
2/20/2005	-2%
2/28/2005	0%