8.89% is the change from 855 to 931
Calculation steps:
[( 931 - 855 ) ÷ 855] x 100 = 8.89%
Formula
Percentage change = [(931 - 855) / 855] x 100
Subtract the new number by the original number
931 - 855 = 76
76 ÷ 855 = 0.08888888888888889
0.08888888888888889 x 100 = 8.89%