-30.38% is the change from 451 to 314
Calculation steps:
[( 314 - 451 ) ÷ 451] x 100 = -30.38%
Formula
Percentage change = [(314 - 451) / 451] x 100
Subtract the new number by the original number
314 - 451 = -137
-137 ÷ 451 = -0.30376940133037694
-0.30376940133037694 x 100 = -30.38%