-93.8% is the change from 920 to 57
Calculation steps:
[( 57 - 920 ) ÷ 920] x 100 = -93.8%
Formula
Percentage change = [(57 - 920) / 920] x 100
Subtract the new number by the original number
57 - 920 = -863
-863 ÷ 920 = -0.9380434782608695
-0.9380434782608695 x 100 = -93.8%