5% of troops is being calculated wrong

[1dumbo1]

I also attacked drak three times. Each sending 2 bil (except one of the time). The first attack 2 bil each troop. I lost 4 bil he lost less then 1 bil.

Second attack I sent another 4 bil. Again I lost all and he lost a little over 1 bil if I remember right

Last attack I sent 5 bil total troops. Still lost 99.99% while he lpst like 1.3 bil.

And we are fighting on the same.tier. so no debuffs are in place

How?? Lol