13.25% is the change from 302 to 342
Calculation steps:
[( 342 - 302 ) ÷ 302] x 100 = 13.25%
Formula
Percentage change = [(342 - 302) / 302] x 100
Subtract the new number by the original number
342 - 302 = 40
40 ÷ 302 = 0.13245033112582782
0.13245033112582782 x 100 = 13.25%