-97.86% is the change from 561 to 12
Calculation steps:
[( 12 - 561 ) ÷ 561] x 100 = -97.86%
Formula
Percentage change = [(12 - 561) / 561] x 100
Subtract the new number by the original number
12 - 561 = -549
-549 ÷ 561 = -0.9786096256684492
-0.9786096256684492 x 100 = -97.86%