Mass of projectile, m = 0.226 kg
Mass of target, M = 2.04 kg
m= bullet mass
M= target mass
vf = (m/(m+M)) *100%
m= 0.226
M= 2.04
vf = (0.226/(0.226+2.04))*100
vf = 9.97%
Percentage of the projectile's incident kinetic energy does the target (with the projectile in it) carry off after being struck = 9.97%