-69.8% is the change from 990 to 299
Calculation steps:
[( 299 - 990 ) ÷ 990] x 100 = -69.8%
Formula
Percentage change = [(299 - 990) / 990] x 100
Subtract the new number by the original number
299 - 990 = -691
-691 ÷ 990 = -0.697979797979798
-0.697979797979798 x 100 = -69.8%