2.68% is the change from 336 to 345
Calculation steps:
[( 345 - 336 ) ÷ 336] x 100 = 2.68%
Formula
Percentage change = [(345 - 336) / 336] x 100
Subtract the new number by the original number
345 - 336 = 9
9 ÷ 336 = 0.026785714285714284
0.026785714285714284 x 100 = 2.68%