57.2% is the change from 271 to 426
Calculation steps:
[( 426 - 271 ) ÷ 271] x 100 = 57.2%
Formula
Percentage change = [(426 - 271) / 271] x 100
Subtract the new number by the original number
426 - 271 = 155
155 ÷ 271 = 0.5719557195571956
0.5719557195571956 x 100 = 57.2%