-31.75% is the change from 800 to 546
Calculation steps:
[( 546 - 800 ) ÷ 800] x 100 = -31.75%
Formula
Percentage change = [(546 - 800) / 800] x 100
Subtract the new number by the original number
546 - 800 = -254
-254 ÷ 800 = -0.3175
-0.3175 x 100 = -31.75%