-90.12% is the change from 486 to 48
Calculation steps:
[( 48 - 486 ) ÷ 486] x 100 = -90.12%
Formula
Percentage change = [(48 - 486) / 486] x 100
Subtract the new number by the original number
48 - 486 = -438
-438 ÷ 486 = -0.9012345679012346
-0.9012345679012346 x 100 = -90.12%