-69.15% is the change from 992 to 306
Calculation steps:
[( 306 - 992 ) ÷ 992] x 100 = -69.15%
Formula
Percentage change = [(306 - 992) / 992] x 100
Subtract the new number by the original number
306 - 992 = -686
-686 ÷ 992 = -0.6915322580645161
-0.6915322580645161 x 100 = -69.15%