Cleric Percentile Turning Table

Just an idea I've had kicking around.  Not quite sure if it would work.  Basically, if they succeed the monster is destroyed, rather than just turned.

CLERIC LEVEL				MONSTER	LEVEL
	1HD	2HD	3HD	4HD	5HD	6HD	7HD	8HD	9HD+
1	45%	40%	35%	30%	25%	20%	15%	10%	5%
2	50%	45%	40%	35%	30%	25%	20%	15%	10%
3	55%	50%	45%	40%	35%	30%	25%	20%	15%
4	60%	55%	50%	45%	40%	35%	30%	25%	20%
5	65%	60%	55%	50%	45%	40%	35%	30%	25%
6	70%	65%	60%	55%	50%	45%	40%	35%	30%
7+	75%	70%	65%	60%	55%	50%	45%	40%	35%