-53.03% is the change from 990 to 465
Calculation steps:
[( 465 - 990 ) ÷ 990] x 100 = -53.03%
Formula
Percentage change = [(465 - 990) / 990] x 100
Subtract the new number by the original number
465 - 990 = -525
-525 ÷ 990 = -0.5303030303030303
-0.5303030303030303 x 100 = -53.03%