15.09% is the change from 855 to 984
Calculation steps:
[( 984 - 855 ) ÷ 855] x 100 = 15.09%
Formula
Percentage change = [(984 - 855) / 855] x 100
Subtract the new number by the original number
984 - 855 = 129
129 ÷ 855 = 0.15087719298245614
0.15087719298245614 x 100 = 15.09%