-0.13% is the change from 768 to 767
Calculation steps:
[( 767 - 768 ) ÷ 768] x 100 = -0.13%
Formula
Percentage change = [(767 - 768) / 768] x 100
Subtract the new number by the original number
767 - 768 = -1
-1 ÷ 768 = -0.0013020833333333333
-0.0013020833333333333 x 100 = -0.13%