30.04% is the change from 263 to 342
Calculation steps:
[( 342 - 263 ) ÷ 263] x 100 = 30.04%
Formula
Percentage change = [(342 - 263) / 263] x 100
Subtract the new number by the original number
342 - 263 = 79
79 ÷ 263 = 0.30038022813688214
0.30038022813688214 x 100 = 30.04%