-92.88% is the change from 800 to 57
Calculation steps:
[( 57 - 800 ) ÷ 800] x 100 = -92.88%
Formula
Percentage change = [(57 - 800) / 800] x 100
Subtract the new number by the original number
57 - 800 = -743
-743 ÷ 800 = -0.92875
-0.92875 x 100 = -92.88%