-11.46% is the change from 768 to 680
Calculation steps:
[( 680 - 768 ) ÷ 768] x 100 = -11.46%
Formula
Percentage change = [(680 - 768) / 768] x 100
Subtract the new number by the original number
680 - 768 = -88
-88 ÷ 768 = -0.11458333333333333
-0.11458333333333333 x 100 = -11.46%