-99.55% is the change from 449 to 2
Calculation steps:
[( 2 - 449 ) ÷ 449] x 100 = -99.55%
Formula
Percentage change = [(2 - 449) / 449] x 100
Subtract the new number by the original number
2 - 449 = -447
-447 ÷ 449 = -0.9955456570155902
-0.9955456570155902 x 100 = -99.55%