-68.31% is the change from 994 to 315
Calculation steps:
[( 315 - 994 ) ÷ 994] x 100 = -68.31%
Formula
Percentage change = [(315 - 994) / 994] x 100
Subtract the new number by the original number
315 - 994 = -679
-679 ÷ 994 = -0.6830985915492958
-0.6830985915492958 x 100 = -68.31%