97.14% is the change from 455 to 897
Calculation steps:
[( 897 - 455 ) ÷ 455] x 100 = 97.14%
Formula
Percentage change = [(897 - 455) / 455] x 100
Subtract the new number by the original number
897 - 455 = 442
442 ÷ 455 = 0.9714285714285714
0.9714285714285714 x 100 = 97.14%