43.17% is the change from 271 to 388
Calculation steps:
[( 388 - 271 ) ÷ 271] x 100 = 43.17%
Formula
Percentage change = [(388 - 271) / 271] x 100
Subtract the new number by the original number
388 - 271 = 117
117 ÷ 271 = 0.4317343173431734
0.4317343173431734 x 100 = 43.17%