-49.61% is the change from 891 to 449
Calculation steps:
[( 449 - 891 ) ÷ 891] x 100 = -49.61%
Formula
Percentage change = [(449 - 891) / 891] x 100
Subtract the new number by the original number
449 - 891 = -442
-442 ÷ 891 = -0.49607182940516276
-0.49607182940516276 x 100 = -49.61%