-29.63% is the change from 800 to 563
Calculation steps:
[( 563 - 800 ) ÷ 800] x 100 = -29.63%
Formula
Percentage change = [(563 - 800) / 800] x 100
Subtract the new number by the original number
563 - 800 = -237
-237 ÷ 800 = -0.29625
-0.29625 x 100 = -29.63%