-99.49% is the change from 591 to 3
Calculation steps:
[( 3 - 591 ) ÷ 591] x 100 = -99.49%
Formula
Percentage change = [(3 - 591) / 591] x 100
Subtract the new number by the original number
3 - 591 = -588
-588 ÷ 591 = -0.9949238578680203
-0.9949238578680203 x 100 = -99.49%