16.48% is the change from 273 to 318
Calculation steps:
[( 318 - 273 ) ÷ 273] x 100 = 16.48%
Formula
Percentage change = [(318 - 273) / 273] x 100
Subtract the new number by the original number
318 - 273 = 45
45 ÷ 273 = 0.16483516483516483
0.16483516483516483 x 100 = 16.48%