-14.51% is the change from 779 to 666
Calculation steps:
[( 666 - 779 ) ÷ 779] x 100 = -14.51%
Formula
Percentage change = [(666 - 779) / 779] x 100
Subtract the new number by the original number
666 - 779 = -113
-113 ÷ 779 = -0.14505776636713735
-0.14505776636713735 x 100 = -14.51%