-98.83% is the change from 597 to 7
Calculation steps:
[( 7 - 597 ) ÷ 597] x 100 = -98.83%
Formula
Percentage change = [(7 - 597) / 597] x 100
Subtract the new number by the original number
7 - 597 = -590
-590 ÷ 597 = -0.9882747068676717
-0.9882747068676717 x 100 = -98.83%