-99.7% is the change from 992 to 3
Calculation steps:
[( 3 - 992 ) ÷ 992] x 100 = -99.7%
Formula
Percentage change = [(3 - 992) / 992] x 100
Subtract the new number by the original number
3 - 992 = -989
-989 ÷ 992 = -0.9969758064516129
-0.9969758064516129 x 100 = -99.7%