10.32% is the change from 775 to 855
Calculation steps:
[( 855 - 775 ) ÷ 775] x 100 = 10.32%
Formula
Percentage change = [(855 - 775) / 775] x 100
Subtract the new number by the original number
855 - 775 = 80
80 ÷ 775 = 0.1032258064516129
0.1032258064516129 x 100 = 10.32%