-52.97% is the change from 455 to 214
Calculation steps:
[( 214 - 455 ) ÷ 455] x 100 = -52.97%
Formula
Percentage change = [(214 - 455) / 455] x 100
Subtract the new number by the original number
214 - 455 = -241
-241 ÷ 455 = -0.5296703296703297
-0.5296703296703297 x 100 = -52.97%