-41.11% is the change from 990 to 583
Calculation steps:
[( 583 - 990 ) ÷ 990] x 100 = -41.11%
Formula
Percentage change = [(583 - 990) / 990] x 100
Subtract the new number by the original number
583 - 990 = -407
-407 ÷ 990 = -0.4111111111111111
-0.4111111111111111 x 100 = -41.11%