0.91% is the change from 770 to 777
Calculation steps:
[( 777 - 770 ) ÷ 770] x 100 = 0.91%
Formula
Percentage change = [(777 - 770) / 770] x 100
Subtract the new number by the original number
777 - 770 = 7
7 ÷ 770 = 0.00909090909090909
0.00909090909090909 x 100 = 0.91%