
Nestor R. answered 07/03/19
Statistician with a very good grounding in Algebra
Today the yield for the bond = 7.1%
Tomorrow the value of the yield drops by 19%.
Thus tomorrow the value of the bond will be 100%-19% = 81% of what it's worth today.
The new value is 0.071 x 0.81 = 0.05751 = 5.8% rounded to the nearest 10th of a percent.