-99.64% is the change from 561 to 2
Calculation steps:
[( 2 - 561 ) ÷ 561] x 100 = -99.64%
Formula
Percentage change = [(2 - 561) / 561] x 100
Subtract the new number by the original number
2 - 561 = -559
-559 ÷ 561 = -0.9964349376114082
-0.9964349376114082 x 100 = -99.64%