-19.49% is the change from 390 to 314
Calculation steps:
[( 314 - 390 ) ÷ 390] x 100 = -19.49%
Formula
Percentage change = [(314 - 390) / 390] x 100
Subtract the new number by the original number
314 - 390 = -76
-76 ÷ 390 = -0.19487179487179487
-0.19487179487179487 x 100 = -19.49%