-68.82% is the change from 449 to 140
Calculation steps:
[( 140 - 449 ) ÷ 449] x 100 = -68.82%
Formula
Percentage change = [(140 - 449) / 449] x 100
Subtract the new number by the original number
140 - 449 = -309
-309 ÷ 449 = -0.688195991091314
-0.688195991091314 x 100 = -68.82%