-26.56% is the change from 768 to 564
Calculation steps:
[( 564 - 768 ) ÷ 768] x 100 = -26.56%
Formula
Percentage change = [(564 - 768) / 768] x 100
Subtract the new number by the original number
564 - 768 = -204
-204 ÷ 768 = -0.265625
-0.265625 x 100 = -26.56%