19.71% is the change from 274 to 328
Calculation steps:
[( 328 - 274 ) ÷ 274] x 100 = 19.71%
Formula
Percentage change = [(328 - 274) / 274] x 100
Subtract the new number by the original number
328 - 274 = 54
54 ÷ 274 = 0.19708029197080293
0.19708029197080293 x 100 = 19.71%