-49.5% is the change from 897 to 453
Calculation steps:
[( 453 - 897 ) ÷ 897] x 100 = -49.5%
Formula
Percentage change = [(453 - 897) / 897] x 100
Subtract the new number by the original number
453 - 897 = -444
-444 ÷ 897 = -0.49498327759197325
-0.49498327759197325 x 100 = -49.5%