-56.36% is the change from 990 to 432
Calculation steps:
[( 432 - 990 ) ÷ 990] x 100 = -56.36%
Formula
Percentage change = [(432 - 990) / 990] x 100
Subtract the new number by the original number
432 - 990 = -558
-558 ÷ 990 = -0.5636363636363636
-0.5636363636363636 x 100 = -56.36%