-99.64% is the change from 555 to 2
Calculation steps:
[( 2 - 555 ) ÷ 555] x 100 = -99.64%
Formula
Percentage change = [(2 - 555) / 555] x 100
Subtract the new number by the original number
2 - 555 = -553
-553 ÷ 555 = -0.9963963963963964
-0.9963963963963964 x 100 = -99.64%