-49.88% is the change from 427 to 214
Calculation steps:
[( 214 - 427 ) ÷ 427] x 100 = -49.88%
Formula
Percentage change = [(214 - 427) / 427] x 100
Subtract the new number by the original number
214 - 427 = -213
-213 ÷ 427 = -0.49882903981264637
-0.49882903981264637 x 100 = -49.88%