-28.18% is the change from 990 to 711
Calculation steps:
[( 711 - 990 ) ÷ 990] x 100 = -28.18%
Formula
Percentage change = [(711 - 990) / 990] x 100
Subtract the new number by the original number
711 - 990 = -279
-279 ÷ 990 = -0.2818181818181818
-0.2818181818181818 x 100 = -28.18%