9.47% is the change from 855 to 936
Calculation steps:
[( 936 - 855 ) ÷ 855] x 100 = 9.47%
Formula
Percentage change = [(936 - 855) / 855] x 100
Subtract the new number by the original number
936 - 855 = 81
81 ÷ 855 = 0.09473684210526316
0.09473684210526316 x 100 = 9.47%