-47.3% is the change from 852 to 449
Calculation steps:
[( 449 - 852 ) ÷ 852] x 100 = -47.3%
Formula
Percentage change = [(449 - 852) / 852] x 100
Subtract the new number by the original number
449 - 852 = -403
-403 ÷ 852 = -0.47300469483568075
-0.47300469483568075 x 100 = -47.3%