-98.56% is the change from 554 to 8
Calculation steps:
[( 8 - 554 ) ÷ 554] x 100 = -98.56%
Formula
Percentage change = [(8 - 554) / 554] x 100
Subtract the new number by the original number
8 - 554 = -546
-546 ÷ 554 = -0.9855595667870036
-0.9855595667870036 x 100 = -98.56%