13.25% is the change from 400 to 453
Calculation steps:
[( 453 - 400 ) ÷ 400] x 100 = 13.25%
Formula
Percentage change = [(453 - 400) / 400] x 100
Subtract the new number by the original number
453 - 400 = 53
53 ÷ 400 = 0.1325
0.1325 x 100 = 13.25%
Example