-99.89% is the change from 928 to 1
Calculation steps:
[( 1 - 928 ) ÷ 928] x 100 = -99.89%
Formula
Percentage change = [(1 - 928) / 928] x 100
Subtract the new number by the original number
1 - 928 = -927
-927 ÷ 928 = -0.9989224137931034
-0.9989224137931034 x 100 = -99.89%