-99.79% is the change from 475 to 1
Calculation steps:
[( 1 - 475 ) ÷ 475] x 100 = -99.79%
Formula
Percentage change = [(1 - 475) / 475] x 100
Subtract the new number by the original number
1 - 475 = -474
-474 ÷ 475 = -0.9978947368421053
-0.9978947368421053 x 100 = -99.79%