-32.38% is the change from 800 to 541
Calculation steps:
[( 541 - 800 ) ÷ 800] x 100 = -32.38%
Formula
Percentage change = [(541 - 800) / 800] x 100
Subtract the new number by the original number
541 - 800 = -259
-259 ÷ 800 = -0.32375
-0.32375 x 100 = -32.38%