-98.89% is the change from 450 to 5
Calculation steps:
[( 5 - 450 ) ÷ 450] x 100 = -98.89%
Formula
Percentage change = [(5 - 450) / 450] x 100
Subtract the new number by the original number
5 - 450 = -445
-445 ÷ 450 = -0.9888888888888889
-0.9888888888888889 x 100 = -98.89%