-98.75% is the change from 558 to 7
Calculation steps:
[( 7 - 558 ) ÷ 558] x 100 = -98.75%
Formula
Percentage change = [(7 - 558) / 558] x 100
Subtract the new number by the original number
7 - 558 = -551
-551 ÷ 558 = -0.9874551971326165
-0.9874551971326165 x 100 = -98.75%