-93.38% is the change from 800 to 53
Calculation steps:
[( 53 - 800 ) ÷ 800] x 100 = -93.38%
Formula
Percentage change = [(53 - 800) / 800] x 100
Subtract the new number by the original number
53 - 800 = -747
-747 ÷ 800 = -0.93375
-0.93375 x 100 = -93.38%