-57.88% is the change from 990 to 417
Calculation steps:
[( 417 - 990 ) ÷ 990] x 100 = -57.88%
Formula
Percentage change = [(417 - 990) / 990] x 100
Subtract the new number by the original number
417 - 990 = -573
-573 ÷ 990 = -0.5787878787878787
-0.5787878787878787 x 100 = -57.88%