-98.82% is the change from 591 to 7
Calculation steps:
[( 7 - 591 ) ÷ 591] x 100 = -98.82%
Formula
Percentage change = [(7 - 591) / 591] x 100
Subtract the new number by the original number
7 - 591 = -584
-584 ÷ 591 = -0.988155668358714
-0.988155668358714 x 100 = -98.82%