-5.08% is the change from 768 to 729
Calculation steps:
[( 729 - 768 ) ÷ 768] x 100 = -5.08%
Formula
Percentage change = [(729 - 768) / 768] x 100
Subtract the new number by the original number
729 - 768 = -39
-39 ÷ 768 = -0.05078125
-0.05078125 x 100 = -5.08%