-52.86% is the change from 454 to 214
Calculation steps:
[( 214 - 454 ) ÷ 454] x 100 = -52.86%
Formula
Percentage change = [(214 - 454) / 454] x 100
Subtract the new number by the original number
214 - 454 = -240
-240 ÷ 454 = -0.5286343612334802
-0.5286343612334802 x 100 = -52.86%