19.41% is the change from 273 to 326
Calculation steps:
[( 326 - 273 ) ÷ 273] x 100 = 19.41%
Formula
Percentage change = [(326 - 273) / 273] x 100
Subtract the new number by the original number
326 - 273 = 53
53 ÷ 273 = 0.19413919413919414
0.19413919413919414 x 100 = 19.41%