-25.24% is the change from 420 to 314
Calculation steps:
[( 314 - 420 ) ÷ 420] x 100 = -25.24%
Formula
Percentage change = [(314 - 420) / 420] x 100
Subtract the new number by the original number
314 - 420 = -106
-106 ÷ 420 = -0.2523809523809524
-0.2523809523809524 x 100 = -25.24%