-98.56% is the change from 556 to 8
Calculation steps:
[( 8 - 556 ) ÷ 556] x 100 = -98.56%
Formula
Percentage change = [(8 - 556) / 556] x 100
Subtract the new number by the original number
8 - 556 = -548
-548 ÷ 556 = -0.9856115107913669
-0.9856115107913669 x 100 = -98.56%