-99.79% is the change from 486 to 1
Calculation steps:
[( 1 - 486 ) ÷ 486] x 100 = -99.79%
Formula
Percentage change = [(1 - 486) / 486] x 100
Subtract the new number by the original number
1 - 486 = -485
-485 ÷ 486 = -0.9979423868312757
-0.9979423868312757 x 100 = -99.79%