6 percent of 7 is 86% so the percentage error is 24%
What are you even asking us
The next bigger ten is 913,620 .
The next smaller ten is 913,600.
913,610 is exactly in the middle between them.
913,610 is already written to the nearest ten.
Constants are 4,3. The coefficient is 4.
0/2=0 because anything divided by zero is zero.