-44.77% is the change from 813 to 449
Calculation steps:
[( 449 - 813 ) ÷ 813] x 100 = -44.77%
Formula
Percentage change = [(449 - 813) / 813] x 100
Subtract the new number by the original number
449 - 813 = -364
-364 ÷ 813 = -0.44772447724477243
-0.44772447724477243 x 100 = -44.77%