8.91% is the change from 707 to 770
Calculation steps:
[( 770 - 707 ) ÷ 707] x 100 = 8.91%
Formula
Percentage change = [(770 - 707) / 707] x 100
Subtract the new number by the original number
770 - 707 = 63
63 ÷ 707 = 0.0891089108910891
0.0891089108910891 x 100 = 8.91%