-98.74% is the change from 554 to 7
Calculation steps:
[( 7 - 554 ) ÷ 554] x 100 = -98.74%
Formula
Percentage change = [(7 - 554) / 554] x 100
Subtract the new number by the original number
7 - 554 = -547
-547 ÷ 554 = -0.9873646209386282
-0.9873646209386282 x 100 = -98.74%