-18.99% is the change from 990 to 802
Calculation steps:
[( 802 - 990 ) ÷ 990] x 100 = -18.99%
Formula
Percentage change = [(802 - 990) / 990] x 100
Subtract the new number by the original number
802 - 990 = -188
-188 ÷ 990 = -0.1898989898989899
-0.1898989898989899 x 100 = -18.99%