-30.75% is the change from 800 to 554
Calculation steps:
[( 554 - 800 ) ÷ 800] x 100 = -30.75%
Formula
Percentage change = [(554 - 800) / 800] x 100
Subtract the new number by the original number
554 - 800 = -246
-246 ÷ 800 = -0.3075
-0.3075 x 100 = -30.75%