-19.6% is the change from 990 to 796
Calculation steps:
[( 796 - 990 ) ÷ 990] x 100 = -19.6%
Formula
Percentage change = [(796 - 990) / 990] x 100
Subtract the new number by the original number
796 - 990 = -194
-194 ÷ 990 = -0.19595959595959597
-0.19595959595959597 x 100 = -19.6%