-70.82% is the change from 449 to 131
Calculation steps:
[( 131 - 449 ) ÷ 449] x 100 = -70.82%
Formula
Percentage change = [(131 - 449) / 449] x 100
Subtract the new number by the original number
131 - 449 = -318
-318 ÷ 449 = -0.7082405345211581
-0.7082405345211581 x 100 = -70.82%