-99.88% is the change from 846 to 1
Calculation steps:
[( 1 - 846 ) ÷ 846] x 100 = -99.88%
Formula
Percentage change = [(1 - 846) / 846] x 100
Subtract the new number by the original number
1 - 846 = -845
-845 ÷ 846 = -0.9988179669030733
-0.9988179669030733 x 100 = -99.88%