-21.11% is the change from 398 to 314
Calculation steps:
[( 314 - 398 ) ÷ 398] x 100 = -21.11%
Formula
Percentage change = [(314 - 398) / 398] x 100
Subtract the new number by the original number
314 - 398 = -84
-84 ÷ 398 = -0.21105527638190955
-0.21105527638190955 x 100 = -21.11%