-99.89% is the change from 899 to 1
Calculation steps:
[( 1 - 899 ) ÷ 899] x 100 = -99.89%
Formula
Percentage change = [(1 - 899) / 899] x 100
Subtract the new number by the original number
1 - 899 = -898
-898 ÷ 899 = -0.9988876529477196
-0.9988876529477196 x 100 = -99.89%