-10.26% is the change from 770 to 691
Calculation steps:
[( 691 - 770 ) ÷ 770] x 100 = -10.26%
Formula
Percentage change = [(691 - 770) / 770] x 100
Subtract the new number by the original number
691 - 770 = -79
-79 ÷ 770 = -0.1025974025974026
-0.1025974025974026 x 100 = -10.26%