-98.78% is the change from 573 to 7
Calculation steps:
[( 7 - 573 ) ÷ 573] x 100 = -98.78%
Formula
Percentage change = [(7 - 573) / 573] x 100
Subtract the new number by the original number
7 - 573 = -566
-566 ÷ 573 = -0.987783595113438
-0.987783595113438 x 100 = -98.78%