-41.21% is the change from 990 to 582
Calculation steps:
[( 582 - 990 ) ÷ 990] x 100 = -41.21%
Formula
Percentage change = [(582 - 990) / 990] x 100
Subtract the new number by the original number
582 - 990 = -408
-408 ÷ 990 = -0.4121212121212121
-0.4121212121212121 x 100 = -41.21%