-69.39% is the change from 990 to 303
Calculation steps:
[( 303 - 990 ) ÷ 990] x 100 = -69.39%
Formula
Percentage change = [(303 - 990) / 990] x 100
Subtract the new number by the original number
303 - 990 = -687
-687 ÷ 990 = -0.693939393939394
-0.693939393939394 x 100 = -69.39%