4.71% is the change from 340 to 356
Calculation steps:
[( 356 - 340 ) ÷ 340] x 100 = 4.71%
Formula
Percentage change = [(356 - 340) / 340] x 100
Subtract the new number by the original number
356 - 340 = 16
16 ÷ 340 = 0.047058823529411764
0.047058823529411764 x 100 = 4.71%