-10.94% is the change from 768 to 684
Calculation steps:
[( 684 - 768 ) ÷ 768] x 100 = -10.94%
Formula
Percentage change = [(684 - 768) / 768] x 100
Subtract the new number by the original number
684 - 768 = -84
-84 ÷ 768 = -0.109375
-0.109375 x 100 = -10.94%