-5.56% is the change from 990 to 935
Calculation steps:
[( 935 - 990 ) ÷ 990] x 100 = -5.56%
Formula
Percentage change = [(935 - 990) / 990] x 100
Subtract the new number by the original number
935 - 990 = -55
-55 ÷ 990 = -0.05555555555555555
-0.05555555555555555 x 100 = -5.56%