88.56% is the change from 271 to 511
Calculation steps:
[( 511 - 271 ) ÷ 271] x 100 = 88.56%
Formula
Percentage change = [(511 - 271) / 271] x 100
Subtract the new number by the original number
511 - 271 = 240
240 ÷ 271 = 0.8856088560885609
0.8856088560885609 x 100 = 88.56%