25.98% is the change from 254 to 320
Calculation steps:
[( 320 - 254 ) ÷ 254] x 100 = 25.98%
Formula
Percentage change = [(320 - 254) / 254] x 100
Subtract the new number by the original number
320 - 254 = 66
66 ÷ 254 = 0.25984251968503935
0.25984251968503935 x 100 = 25.98%