-33.94% is the change from 990 to 654
Calculation steps:
[( 654 - 990 ) ÷ 990] x 100 = -33.94%
Formula
Percentage change = [(654 - 990) / 990] x 100
Subtract the new number by the original number
654 - 990 = -336
-336 ÷ 990 = -0.3393939393939394
-0.3393939393939394 x 100 = -33.94%