-93.93% is the change from 857 to 52
Calculation steps:
[( 52 - 857 ) ÷ 857] x 100 = -93.93%
Formula
Percentage change = [(52 - 857) / 857] x 100
Subtract the new number by the original number
52 - 857 = -805
-805 ÷ 857 = -0.9393232205367561
-0.9393232205367561 x 100 = -93.93%