-98.73% is the change from 553 to 7
Calculation steps:
[( 7 - 553 ) ÷ 553] x 100 = -98.73%
Formula
Percentage change = [(7 - 553) / 553] x 100
Subtract the new number by the original number
7 - 553 = -546
-546 ÷ 553 = -0.9873417721518988
-0.9873417721518988 x 100 = -98.73%