-99.33% is the change from 449 to 3
Calculation steps:
[( 3 - 449 ) ÷ 449] x 100 = -99.33%
Formula
Percentage change = [(3 - 449) / 449] x 100
Subtract the new number by the original number
3 - 449 = -446
-446 ÷ 449 = -0.9933184855233853
-0.9933184855233853 x 100 = -99.33%