-29% is the change from 800 to 568
Calculation steps:
[( 568 - 800 ) ÷ 800] x 100 = -29%
Formula
Percentage change = [(568 - 800) / 800] x 100
Subtract the new number by the original number
568 - 800 = -232
-232 ÷ 800 = -0.29
-0.29 x 100 = -29%
Example