-93.32% is the change from 853 to 57
Calculation steps:
[( 57 - 853 ) ÷ 853] x 100 = -93.32%
Formula
Percentage change = [(57 - 853) / 853] x 100
Subtract the new number by the original number
57 - 853 = -796
-796 ÷ 853 = -0.9331770222743259
-0.9331770222743259 x 100 = -93.32%