-93.66% is the change from 899 to 57
Calculation steps:
[( 57 - 899 ) ÷ 899] x 100 = -93.66%
Formula
Percentage change = [(57 - 899) / 899] x 100
Subtract the new number by the original number
57 - 899 = -842
-842 ÷ 899 = -0.9365962180200222
-0.9365962180200222 x 100 = -93.66%