124.25% is the change from 400 to 897
Calculation steps:
[( 897 - 400 ) ÷ 400] x 100 = 124.25%
Formula
Percentage change = [(897 - 400) / 400] x 100
Subtract the new number by the original number
897 - 400 = 497
497 ÷ 400 = 1.2425
1.2425 x 100 = 124.25%