-88.25% is the change from 485 to 57
Calculation steps:
[( 57 - 485 ) ÷ 485] x 100 = -88.25%
Formula
Percentage change = [(57 - 485) / 485] x 100
Subtract the new number by the original number
57 - 485 = -428
-428 ÷ 485 = -0.8824742268041237
-0.8824742268041237 x 100 = -88.25%