12.87% is the change from 342 to 386
Calculation steps:
[( 386 - 342 ) ÷ 342] x 100 = 12.87%
Formula
Percentage change = [(386 - 342) / 342] x 100
Subtract the new number by the original number
386 - 342 = 44
44 ÷ 342 = 0.1286549707602339
0.1286549707602339 x 100 = 12.87%