-46.57% is the change from 990 to 529
Calculation steps:
[( 529 - 990 ) ÷ 990] x 100 = -46.57%
Formula
Percentage change = [(529 - 990) / 990] x 100
Subtract the new number by the original number
529 - 990 = -461
-461 ÷ 990 = -0.46565656565656566
-0.46565656565656566 x 100 = -46.57%