-37.17% is the change from 990 to 622
Calculation steps:
[( 622 - 990 ) ÷ 990] x 100 = -37.17%
Formula
Percentage change = [(622 - 990) / 990] x 100
Subtract the new number by the original number
622 - 990 = -368
-368 ÷ 990 = -0.3717171717171717
-0.3717171717171717 x 100 = -37.17%