-99.89% is the change from 906 to 1
Calculation steps:
[( 1 - 906 ) ÷ 906] x 100 = -99.89%
Formula
Percentage change = [(1 - 906) / 906] x 100
Subtract the new number by the original number
1 - 906 = -905
-905 ÷ 906 = -0.9988962472406181
-0.9988962472406181 x 100 = -99.89%