-88.48% is the change from 486 to 56
Calculation steps:
[( 56 - 486 ) ÷ 486] x 100 = -88.48%
Formula
Percentage change = [(56 - 486) / 486] x 100
Subtract the new number by the original number
56 - 486 = -430
-430 ÷ 486 = -0.8847736625514403
-0.8847736625514403 x 100 = -88.48%