-99.56% is the change from 455 to 2
Calculation steps:
[( 2 - 455 ) ÷ 455] x 100 = -99.56%
Formula
Percentage change = [(2 - 455) / 455] x 100
Subtract the new number by the original number
2 - 455 = -453
-453 ÷ 455 = -0.9956043956043956
-0.9956043956043956 x 100 = -99.56%