transactions – Please help out I send 109k to my client he was able to receive $50,000 please help

I send a bitcoin transaction of all coin my wallet which is $109,180 to my client wallet address giving to me. But he received $50,000 in is wallet address. And I sent all the coin my of 109180. Please what going on and the transaction output is show two wallet, I don’t understand the second wallet that showing I sent the remaining coin there?? Please advice