-99.85% is the change from 658 to 1
Calculation steps:
[( 1 - 658 ) ÷ 658] x 100 = -99.85%
Formula
Percentage change = [(1 - 658) / 658] x 100
Subtract the new number by the original number
1 - 658 = -657
-657 ÷ 658 = -0.9984802431610942
-0.9984802431610942 x 100 = -99.85%