-25.78% is the change from 768 to 570
Calculation steps:
[( 570 - 768 ) ÷ 768] x 100 = -25.78%
Formula
Percentage change = [(570 - 768) / 768] x 100
Subtract the new number by the original number
570 - 768 = -198
-198 ÷ 768 = -0.2578125
-0.2578125 x 100 = -25.78%