-52.53% is the change from 455 to 216
Calculation steps:
[( 216 - 455 ) ÷ 455] x 100 = -52.53%
Formula
Percentage change = [(216 - 455) / 455] x 100
Subtract the new number by the original number
216 - 455 = -239
-239 ÷ 455 = -0.5252747252747253
-0.5252747252747253 x 100 = -52.53%