-99.79% is the change from 476 to 1
Calculation steps:
[( 1 - 476 ) ÷ 476] x 100 = -99.79%
Formula
Percentage change = [(1 - 476) / 476] x 100
Subtract the new number by the original number
1 - 476 = -475
-475 ÷ 476 = -0.9978991596638656
-0.9978991596638656 x 100 = -99.79%