18.25% is the change from 263 to 311
Calculation steps:
[( 311 - 263 ) ÷ 263] x 100 = 18.25%
Formula
Percentage change = [(311 - 263) / 263] x 100
Subtract the new number by the original number
311 - 263 = 48
48 ÷ 263 = 0.18250950570342206
0.18250950570342206 x 100 = 18.25%