-12.48% is the change from 777 to 680
Calculation steps:
[( 680 - 777 ) ÷ 777] x 100 = -12.48%
Formula
Percentage change = [(680 - 777) / 777] x 100
Subtract the new number by the original number
680 - 777 = -97
-97 ÷ 777 = -0.12483912483912483
-0.12483912483912483 x 100 = -12.48%