-32.81% is the change from 768 to 516
Calculation steps:
[( 516 - 768 ) ÷ 768] x 100 = -32.81%
Formula
Percentage change = [(516 - 768) / 768] x 100
Subtract the new number by the original number
516 - 768 = -252
-252 ÷ 768 = -0.328125
-0.328125 x 100 = -32.81%