-48.71% is the change from 891 to 457
Calculation steps:
[( 457 - 891 ) ÷ 891] x 100 = -48.71%
Formula
Percentage change = [(457 - 891) / 891] x 100
Subtract the new number by the original number
457 - 891 = -434
-434 ÷ 891 = -0.48709315375982043
-0.48709315375982043 x 100 = -48.71%