11.4% is the change from 307 to 342
Calculation steps:
[( 342 - 307 ) ÷ 307] x 100 = 11.4%
Formula
Percentage change = [(342 - 307) / 307] x 100
Subtract the new number by the original number
342 - 307 = 35
35 ÷ 307 = 0.11400651465798045
0.11400651465798045 x 100 = 11.4%