-0.22% is the change from 455 to 454
Calculation steps:
[( 454 - 455 ) ÷ 455] x 100 = -0.22%
Formula
Percentage change = [(454 - 455) / 455] x 100
Subtract the new number by the original number
454 - 455 = -1
-1 ÷ 455 = -0.002197802197802198
-0.002197802197802198 x 100 = -0.22%