340 is 40% of 850, so 850 minus 340 = 510. If 10% = $85 then 40% = $85 x 4. Take this amount from your total and you have you answer.
The percentage of 40% of 85 is 3400%
47% divide 40 by 85 and then multiply by 100
85%
It is: 45--40 = 85
It is: 34/40 times 100 = 85%
40% of 85 .4 x 85 = 34
It is 850 - 85 = 765
40 - (20%) = 32
540.00 - (40%) = 324.00
7,575 - (40%) = 4,545
128 - 40% = 76.8