-93.16% is the change from 833 to 57
Calculation steps:
[( 57 - 833 ) ÷ 833] x 100 = -93.16%
Formula
Percentage change = [(57 - 833) / 833] x 100
Subtract the new number by the original number
57 - 833 = -776
-776 ÷ 833 = -0.9315726290516206
-0.9315726290516206 x 100 = -93.16%