-53.07% is the change from 456 to 214
Calculation steps:
[( 214 - 456 ) ÷ 456] x 100 = -53.07%
Formula
Percentage change = [(214 - 456) / 456] x 100
Subtract the new number by the original number
214 - 456 = -242
-242 ÷ 456 = -0.5307017543859649
-0.5307017543859649 x 100 = -53.07%