-99.15% is the change from 591 to 5
Calculation steps:
[( 5 - 591 ) ÷ 591] x 100 = -99.15%
Formula
Percentage change = [(5 - 591) / 591] x 100
Subtract the new number by the original number
5 - 591 = -586
-586 ÷ 591 = -0.9915397631133672
-0.9915397631133672 x 100 = -99.15%