5.5% is the change from 327 to 345
Calculation steps:
[( 345 - 327 ) ÷ 327] x 100 = 5.5%
Formula
Percentage change = [(345 - 327) / 327] x 100
Subtract the new number by the original number
345 - 327 = 18
18 ÷ 327 = 0.05504587155963303
0.05504587155963303 x 100 = 5.5%