-43.33% is the change from 990 to 561
Calculation steps:
[( 561 - 990 ) ÷ 990] x 100 = -43.33%
Formula
Percentage change = [(561 - 990) / 990] x 100
Subtract the new number by the original number
561 - 990 = -429
-429 ÷ 990 = -0.43333333333333335
-0.43333333333333335 x 100 = -43.33%