12.6% is the change from 770 to 867
Calculation steps:
[( 867 - 770 ) ÷ 770] x 100 = 12.6%
Formula
Percentage change = [(867 - 770) / 770] x 100
Subtract the new number by the original number
867 - 770 = 97
97 ÷ 770 = 0.12597402597402596
0.12597402597402596 x 100 = 12.6%