9.9% is the change from 707 to 777
Calculation steps:
[( 777 - 707 ) ÷ 707] x 100 = 9.9%
Formula
Percentage change = [(777 - 707) / 707] x 100
Subtract the new number by the original number
777 - 707 = 70
70 ÷ 707 = 0.09900990099009901
0.09900990099009901 x 100 = 9.9%