-1.62% is the change from 990 to 974
Calculation steps:
[( 974 - 990 ) ÷ 990] x 100 = -1.62%
Formula
Percentage change = [(974 - 990) / 990] x 100
Subtract the new number by the original number
974 - 990 = -16
-16 ÷ 990 = -0.01616161616161616
-0.01616161616161616 x 100 = -1.62%