-51.03% is the change from 437 to 214
Calculation steps:
[( 214 - 437 ) ÷ 437] x 100 = -51.03%
Formula
Percentage change = [(214 - 437) / 437] x 100
Subtract the new number by the original number
214 - 437 = -223
-223 ÷ 437 = -0.5102974828375286
-0.5102974828375286 x 100 = -51.03%