-88.45% is the change from 485 to 56
Calculation steps:
[( 56 - 485 ) ÷ 485] x 100 = -88.45%
Formula
Percentage change = [(56 - 485) / 485] x 100
Subtract the new number by the original number
56 - 485 = -429
-429 ÷ 485 = -0.8845360824742268
-0.8845360824742268 x 100 = -88.45%