-68.71% is the change from 994 to 311
Calculation steps:
[( 311 - 994 ) ÷ 994] x 100 = -68.71%
Formula
Percentage change = [(311 - 994) / 994] x 100
Subtract the new number by the original number
311 - 994 = -683
-683 ÷ 994 = -0.6871227364185111
-0.6871227364185111 x 100 = -68.71%