8.25% is the change from 400 to 433
Calculation steps:
[( 433 - 400 ) ÷ 400] x 100 = 8.25%
Formula
Percentage change = [(433 - 400) / 400] x 100
Subtract the new number by the original number
433 - 400 = 33
33 ÷ 400 = 0.0825
0.0825 x 100 = 8.25%
Example