-52.55% is the change from 451 to 214
Calculation steps:
[( 214 - 451 ) ÷ 451] x 100 = -52.55%
Formula
Percentage change = [(214 - 451) / 451] x 100
Subtract the new number by the original number
214 - 451 = -237
-237 ÷ 451 = -0.5254988913525499
-0.5254988913525499 x 100 = -52.55%