25.94% is the change from 320 to 403
Calculation steps:
[( 403 - 320 ) ÷ 320] x 100 = 25.94%
Formula
Percentage change = [(403 - 320) / 320] x 100
Subtract the new number by the original number
403 - 320 = 83
83 ÷ 320 = 0.259375
0.259375 x 100 = 25.94%