-96.43% is the change from 561 to 20
Calculation steps:
[( 20 - 561 ) ÷ 561] x 100 = -96.43%
Formula
Percentage change = [(20 - 561) / 561] x 100
Subtract the new number by the original number
20 - 561 = -541
-541 ÷ 561 = -0.964349376114082
-0.964349376114082 x 100 = -96.43%