-84.19% is the change from 449 to 71
Calculation steps:
[( 71 - 449 ) ÷ 449] x 100 = -84.19%
Formula
Percentage change = [(71 - 449) / 449] x 100
Subtract the new number by the original number
71 - 449 = -378
-378 ÷ 449 = -0.8418708240534521
-0.8418708240534521 x 100 = -84.19%