28.41% is the change from 271 to 348
Calculation steps:
[( 348 - 271 ) ÷ 271] x 100 = 28.41%
Formula
Percentage change = [(348 - 271) / 271] x 100
Subtract the new number by the original number
348 - 271 = 77
77 ÷ 271 = 0.28413284132841327
0.28413284132841327 x 100 = 28.41%