-93.9% is the change from 935 to 57
Calculation steps:
[( 57 - 935 ) ÷ 935] x 100 = -93.9%
Formula
Percentage change = [(57 - 935) / 935] x 100
Subtract the new number by the original number
57 - 935 = -878
-878 ÷ 935 = -0.9390374331550803
-0.9390374331550803 x 100 = -93.9%