-5.76% is the change from 990 to 933
Calculation steps:
[( 933 - 990 ) ÷ 990] x 100 = -5.76%
Formula
Percentage change = [(933 - 990) / 990] x 100
Subtract the new number by the original number
933 - 990 = -57
-57 ÷ 990 = -0.05757575757575758
-0.05757575757575758 x 100 = -5.76%