-20.1% is the change from 393 to 314
Calculation steps:
[( 314 - 393 ) ÷ 393] x 100 = -20.1%
Formula
Percentage change = [(314 - 393) / 393] x 100
Subtract the new number by the original number
314 - 393 = -79
-79 ÷ 393 = -0.2010178117048346
-0.2010178117048346 x 100 = -20.1%