-99.79% is the change from 472 to 1
Calculation steps:
[( 1 - 472 ) ÷ 472] x 100 = -99.79%
Formula
Percentage change = [(1 - 472) / 472] x 100
Subtract the new number by the original number
1 - 472 = -471
-471 ÷ 472 = -0.9978813559322034
-0.9978813559322034 x 100 = -99.79%