-25% is the change from 768 to 576
Calculation steps:
[( 576 - 768 ) ÷ 768] x 100 = -25%
Formula
Percentage change = [(576 - 768) / 768] x 100
Subtract the new number by the original number
576 - 768 = -192
-192 ÷ 768 = -0.25
-0.25 x 100 = -25%
Example