-99.66% is the change from 581 to 2
Calculation steps:
[( 2 - 581 ) ÷ 581] x 100 = -99.66%
Formula
Percentage change = [(2 - 581) / 581] x 100
Subtract the new number by the original number
2 - 581 = -579
-579 ÷ 581 = -0.9965576592082617
-0.9965576592082617 x 100 = -99.66%