-99.3% is the change from 996 to 7
Calculation steps:
[( 7 - 996 ) ÷ 996] x 100 = -99.3%
Formula
Percentage change = [(7 - 996) / 996] x 100
Subtract the new number by the original number
7 - 996 = -989
-989 ÷ 996 = -0.9929718875502008
-0.9929718875502008 x 100 = -99.3%