124.5% is the change from 400 to 898
Calculation steps:
[( 898 - 400 ) ÷ 400] x 100 = 124.5%
Formula
Percentage change = [(898 - 400) / 400] x 100
Subtract the new number by the original number
898 - 400 = 498
498 ÷ 400 = 1.245
1.245 x 100 = 124.5%
Example