-99.82% is the change from 555 to 1
Calculation steps:
[( 1 - 555 ) ÷ 555] x 100 = -99.82%
Formula
Percentage change = [(1 - 555) / 555] x 100
Subtract the new number by the original number
1 - 555 = -554
-554 ÷ 555 = -0.9981981981981982
-0.9981981981981982 x 100 = -99.82%