-55.23% is the change from 478 to 214
Calculation steps:
[( 214 - 478 ) ÷ 478] x 100 = -55.23%
Formula
Percentage change = [(214 - 478) / 478] x 100
Subtract the new number by the original number
214 - 478 = -264
-264 ÷ 478 = -0.5523012552301255
-0.5523012552301255 x 100 = -55.23%