-49.05% is the change from 897 to 457
Calculation steps:
[( 457 - 897 ) ÷ 897] x 100 = -49.05%
Formula
Percentage change = [(457 - 897) / 897] x 100
Subtract the new number by the original number
457 - 897 = -440
-440 ÷ 897 = -0.49052396878483834
-0.49052396878483834 x 100 = -49.05%