Verified Answer :

160%=160/100 
Let the no. be x. 
160/100 x=80 
1.6
x=80 
1.6x=80 
x=80/1.6 
x=800/16 
x=50 

160/100X=80=> X =10080/160=100/2=50~~~~HAVE A NICE DAY!!!★★