26.25% is the change from 320 to 404
Calculation steps:
[( 404 - 320 ) ÷ 320] x 100 = 26.25%
Formula
Percentage change = [(404 - 320) / 320] x 100
Subtract the new number by the original number
404 - 320 = 84
84 ÷ 320 = 0.2625
0.2625 x 100 = 26.25%
Example