23.25% is the change from 400 to 493
Calculation steps:
[( 493 - 400 ) ÷ 400] x 100 = 23.25%
Formula
Percentage change = [(493 - 400) / 400] x 100
Subtract the new number by the original number
493 - 400 = 93
93 ÷ 400 = 0.2325
0.2325 x 100 = 23.25%
Example