-59.19% is the change from 990 to 404
Calculation steps:
[( 404 - 990 ) ÷ 990] x 100 = -59.19%
Formula
Percentage change = [(404 - 990) / 990] x 100
Subtract the new number by the original number
404 - 990 = -586
-586 ÷ 990 = -0.591919191919192
-0.591919191919192 x 100 = -59.19%