-68.15% is the change from 449 to 143
Calculation steps:
[( 143 - 449 ) ÷ 449] x 100 = -68.15%
Formula
Percentage change = [(143 - 449) / 449] x 100
Subtract the new number by the original number
143 - 449 = -306
-306 ÷ 449 = -0.6815144766146993
-0.6815144766146993 x 100 = -68.15%